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Mozilla

3159 CVEs vendor

Monthly

CVE-2020-6805 Mar 25, 22:15 HIGH This Week

When removing data about an origin whose tab was recently closed, a use-after-free could occur in the Quota manager, resulting in a potentially exploitable crash. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Use After Free Memory Corruption Mozilla Canonical +4
NVD
CVSS 3.1
8.8
EPSS
1.2%
CVE-2020-6816 Mar 24, 22:15 PyPI MEDIUM POC PATCH This Month

In Mozilla Bleach before 3.12, a mutation XSS in bleach.clean when RCDATA and either svg or math tags are whitelisted and the keyword argument strip=False. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

XSS Mozilla Fedora Bleach Fedoraproject
NVD GitHub
CVSS 3.1
6.1
EPSS
1.3%
CVE-2020-6802 Mar 24, 22:15 PyPI MEDIUM POC PATCH This Month

In Mozilla Bleach before 3.11, a mutation XSS affects users calling bleach.clean with noscript and a raw tag in the allowed/whitelisted tags option. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

XSS Mozilla Fedora Bleach Fedoraproject
NVD GitHub
CVSS 3.1
6.1
EPSS
1.7%
CVE-2020-6801 Mar 02, 05:15 HIGH This Week

Mozilla developers reported memory safety bugs present in Firefox 72. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Buffer Overflow Memory Corruption Mozilla Canonical +2
NVD
CVSS 3.1
8.8
EPSS
1.4%
CVE-2020-6800 Mar 02, 05:15 HIGH This Week

Mozilla developers and community members reported memory safety bugs present in Firefox 72 and Firefox ESR 68.4. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Buffer Overflow Memory Corruption Mozilla Canonical +4
NVD
CVSS 3.1
8.8
EPSS
2.3%
CVE-2020-6799 Mar 02, 05:15 HIGH PATCH This Week

Command line arguments could have been injected during Firefox invocation as a shell handler for certain unsupported file types. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Microsoft Code Injection Mozilla Firefox Firefox Esr
NVD
CVSS 3.1
8.8
EPSS
1.5%
CVE-2020-6798 Mar 02, 05:15 MEDIUM This Month

If a template tag was used in a select tag, the parser could be confused and allow JavaScript parsing and execution when it should not be allowed. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Mozilla Firefox Thunderbird Firefox Esr
NVD
CVSS 3.1
6.1
EPSS
2.1%
CVE-2020-6797 Mar 02, 05:15 MEDIUM This Month

By downloading a file with the .fileloc extension, a semi-privileged extension could launch an arbitrary application on the user's computer. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Firefox Thunderbird Firefox Esr
NVD
CVSS 3.1
4.3
EPSS
1.4%
CVE-2020-6796 Mar 02, 05:15 HIGH This Week

A content process could have modified shared memory relating to crash reporting information, crash itself, and cause an out-of-bound write. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Memory Corruption Mozilla Firefox Firefox Esr
NVD
CVSS 3.1
8.8
EPSS
1.6%
CVE-2020-6795 Mar 02, 05:15 MEDIUM This Month

When processing a message that contains multiple S/MIME signatures, a bug in the MIME processing code caused a null pointer dereference, leading to an unexploitable crash. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Null Pointer Dereference Mozilla Thunderbird
NVD
CVSS 3.1
6.5
EPSS
1.3%
CVE-2020-6794 Mar 02, 05:15 MEDIUM POC This Month

If a user saved passwords before Thunderbird 60 and then later set a master password, an unencrypted copy of these passwords is still accessible. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Information Disclosure Mozilla Canonical Thunderbird Ubuntu Linux
NVD
CVSS 3.1
6.5
EPSS
1.0%
CVE-2020-6793 Mar 02, 05:15 MEDIUM This Month

When processing an email message with an ill-formed envelope, Thunderbird could read data from a random memory location. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Thunderbird
NVD
CVSS 3.1
6.5
EPSS
1.5%
CVE-2020-6792 Mar 02, 05:15 MEDIUM This Month

When deriving an identifier for an email message, uninitialized memory was used in addition to the message contents. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Canonical Thunderbird Ubuntu Linux
NVD
CVSS 3.1
4.3
EPSS
1.3%
CVE-2020-6804 Feb 28, 23:15 MEDIUM PATCH This Month

A reflected XSS vulnerability exists within the gateway, allowing an attacker to craft a specialized URL which could steal the user's authentication token. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Cross-Site Scripting (XSS) vulnerability could allow attackers to inject malicious scripts into web pages viewed by other users.

XSS Mozilla Webthings Gateway
NVD GitHub
CVSS 3.1
6.1
EPSS
0.7%
CVE-2020-6803 Feb 28, 23:15 MEDIUM PATCH This Month

An open redirect is present on the gateway's login page, which could cause a user to be redirected to a malicious site after logging in. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Open Redirect Mozilla Webthings Gateway
NVD GitHub
CVSS 3.1
6.1
EPSS
0.7%
CVE-2020-1933 Jan 28, 01:15 Maven MEDIUM PATCH This Month

A XSS vulnerability was found in Apache NiFi 1.0.0 to 1.10.0. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Apache Mozilla Nifi
NVD
CVSS 3.1
6.1
EPSS
2.8%
CVE-2019-14953 Oct 01, 16:15 MEDIUM This Month

JetBrains YouTrack versions before 2019.2.53938 had a possible XSS through issue attachments when using the Firefox browser. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Mozilla Youtrack JetBrains
NVD
CVSS 3.1
6.1
EPSS
0.9%
CVE-2019-11755 Sep 27, 18:15 HIGH This Week

A crafted S/MIME message consisting of an inner encryption layer and an outer SignedData layer was shown as having a valid digital signature, although the signer might have had no access to the. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Jwt Attack Thunderbird
NVD
CVSS 3.1
7.5
EPSS
1.1%
CVE-2019-11754 Sep 27, 18:15 MEDIUM This Month

When the pointer lock is enabled by a website though requestPointerLock(), no user notification is given. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Firefox
NVD
CVSS 3.1
4.3
EPSS
0.6%
CVE-2019-11753 Sep 27, 18:15 HIGH This Week

The Firefox installer allows Firefox to be installed to a custom user writable location, leaving it unprotected from manipulation by unprivileged users or malware. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

Privilege Escalation Microsoft Mozilla Firefox Firefox Esr
NVD
CVSS 3.1
7.8
EPSS
0.2%
CVE-2019-11752 Sep 27, 18:15 HIGH This Week

It is possible to delete an IndexedDB key value and subsequently try to extract it during conversion. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Use After Free Memory Corruption Mozilla Firefox +2
NVD
CVSS 3.1
8.8
EPSS
2.2%
CVE-2019-11751 Sep 27, 18:15 HIGH This Week

Logging-related command line parameters are not properly sanitized when Firefox is launched by another program, such as when a user clicks on malicious links in a chat application. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Microsoft Mozilla Firefox Firefox Esr
NVD
CVSS 3.1
8.8
EPSS
1.1%
CVE-2019-11750 Sep 27, 18:15 MEDIUM This Month

A type confusion vulnerability exists in Spidermonkey, which results in a non-exploitable crash. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Memory Corruption Mozilla Firefox Firefox Esr
NVD
CVSS 3.1
6.5
EPSS
1.3%
CVE-2019-11749 Sep 27, 18:15 MEDIUM This Month

A vulnerability exists in WebRTC where malicious web content can use probing techniques on the getUserMedia API using constraints to reveal device properties of cameras on the system without. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Firefox Firefox Esr
NVD
CVSS 3.1
4.3
EPSS
0.9%
CVE-2019-11748 Sep 27, 18:15 MEDIUM This Month

WebRTC in Firefox will honor persisted permissions given to sites for access to microphone and camera resources even when in a third-party context. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Firefox Firefox Esr
NVD
CVSS 3.1
6.5
EPSS
1.0%
CVE-2019-11747 Sep 27, 18:15 MEDIUM This Month

The "Forget about this site" feature in the History pane is intended to remove all saved user data that indicates a user has visited a site. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Firefox Firefox Esr
NVD
CVSS 3.1
6.5
EPSS
1.2%
CVE-2019-11746 Sep 27, 18:15 HIGH This Week

A use-after-free vulnerability can occur while manipulating video elements if the body is freed while still in use. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Use After Free Memory Corruption Mozilla Firefox +2
NVD
CVSS 3.1
8.8
EPSS
1.7%
CVE-2019-11744 Sep 27, 18:15 MEDIUM This Month

Some HTML elements, such as <title> and <textarea>, can contain literal angle brackets without treating them as markup. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Mozilla Firefox Thunderbird
NVD
CVSS 3.1
6.1
EPSS
1.5%
CVE-2019-11743 Sep 27, 18:15 LOW POC Monitor

Navigation events were not fully adhering to the W3C's "Navigation-Timing Level 2" draft specification in some instances for the unload event, which restricts access to detailed timing attributes to. Rated low severity (CVSS 3.7), this vulnerability is remotely exploitable, no authentication required. Public exploit code available and no vendor patch available.

Information Disclosure Mozilla Firefox Thunderbird Firefox Esr
NVD
CVSS 3.1
3.7
EPSS
1.8%
CVE-2019-11742 Sep 27, 18:15 MEDIUM This Month

A same-origin policy violation occurs allowing the theft of cross-origin images through a combination of SVG filters and a <canvas> element due to an error in how same-origin policy is applied. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Firefox Thunderbird Firefox Esr
NVD
CVSS 3.1
6.5
EPSS
1.7%
CVE-2019-11741 Sep 27, 18:15 MEDIUM This Month

A compromised sandboxed content process can perform a Universal Cross-site Scripting (UXSS) attack on content from any site it can cause to be loaded in the same process. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Mozilla Firefox
NVD
CVSS 3.1
6.1
EPSS
0.6%
CVE-2019-11740 Sep 27, 18:15 HIGH This Week

Mozilla developers and community members reported memory safety bugs present in Firefox 68, Firefox ESR 68, and Firefox 60.8. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Buffer Overflow Memory Corruption Mozilla Canonical +6
NVD
CVSS 3.1
8.8
EPSS
1.6%
CVE-2019-11739 Sep 27, 18:15 MEDIUM This Month

Encrypted S/MIME parts in a crafted multipart/alternative message can leak plaintext when included in a a HTML reply/forward. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Thunderbird
NVD
CVSS 3.1
6.5
EPSS
0.9%
CVE-2019-11738 Sep 27, 18:15 MEDIUM POC This Month

If a Content Security Policy (CSP) directive is defined that uses a hash-based source that takes the empty string as input, execution of any javascript: URIs will be allowed. Rated medium severity (CVSS 6.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass Mozilla Firefox Leap Firefox Esr +1
NVD
CVSS 3.1
6.3
EPSS
1.4%
CVE-2019-11737 Sep 27, 18:15 MEDIUM This Month

If a wildcard ('*') is specified for the host in Content Security Policy (CSP) directives, any port or path restriction of the directive will be ignored, leading to CSP directives not being properly. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Firefox
NVD
CVSS 3.1
5.3
EPSS
0.5%
CVE-2019-11736 Sep 27, 18:15 HIGH This Week

The Mozilla Maintenance Service does not guard against files being hardlinked to another file in the updates directory, allowing for the replacement of local files, including the Maintenance Service. Rated high severity (CVSS 7.0). No vendor patch available.

Privilege Escalation Race Condition Microsoft Mozilla Firefox +1
NVD
CVSS 3.1
7.0
EPSS
0.2%
CVE-2019-11735 Sep 27, 18:15 HIGH This Week

Mozilla developers and community members reported memory safety bugs present in Firefox 68 and Firefox ESR 68. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Buffer Overflow Memory Corruption Mozilla Firefox +3
NVD
CVSS 3.1
8.8
EPSS
1.2%
CVE-2019-11734 Sep 27, 18:15 CRITICAL Act Now

Mozilla developers and community members reported memory safety bugs present in Firefox 68. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Buffer Overflow Memory Corruption Mozilla Firefox
NVD
CVSS 3.1
9.8
EPSS
1.3%
CVE-2019-11733 Sep 27, 18:15 CRITICAL Act Now

When a master password is set, it is required to be entered again before stored passwords can be accessed in the 'Saved Logins' dialog. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Mozilla Firefox
NVD
CVSS 3.1
9.8
EPSS
1.4%
CVE-2019-9821 Jul 23, 14:15 HIGH This Week

A use-after-free vulnerability can occur in AssertWorkerThread due to a race condition with shared workers. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Denial Of Service Race Condition Mozilla Firefox
NVD
CVSS 3.0
8.1
EPSS
0.9%
CVE-2019-9820 Jul 23, 14:15 CRITICAL Act Now

A use-after-free vulnerability can occur in the chrome event handler when it is freed while still in use. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Google Use After Free Memory Corruption Mozilla +3
NVD
CVSS 3.0
9.8
EPSS
1.6%
CVE-2019-9819 Jul 23, 14:15 CRITICAL Act Now

A vulnerability where a JavaScript compartment mismatch can occur while working with the fetch API, resulting in a potentially exploitable crash. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Memory Corruption Mozilla Firefox Thunderbird +1
NVD
CVSS 3.0
9.8
EPSS
1.7%
CVE-2019-9818 Jul 23, 14:15 HIGH This Week

A race condition is present in the crash generation server used to generate data for the crash reporter. Rated high severity (CVSS 8.3), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Denial Of Service Race Condition Microsoft Mozilla Firefox +2
NVD
CVSS 3.1
8.3
EPSS
1.0%
CVE-2019-9817 Jul 23, 14:15 MEDIUM This Month

Images from a different domain can be read using a canvas object in some circumstances. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Firefox Thunderbird Firefox Esr
NVD
CVSS 3.0
5.3
EPSS
0.8%
CVE-2019-9816 Jul 23, 14:15 MEDIUM POC This Month

A possible vulnerability exists where type confusion can occur when manipulating JavaScript objects in object groups, allowing for the bypassing of security checks within these groups. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Authentication Bypass Memory Corruption Mozilla Firefox Thunderbird +1
NVD Exploit-DB
CVSS 3.0
5.9
EPSS
6.2%
CVE-2019-9815 Jul 23, 14:15 HIGH This Week

If hyperthreading is not disabled, a timing attack vulnerability exists, similar to previous Spectre attacks. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Information Disclosure Apple Mozilla Firefox Thunderbird +1
NVD
CVSS 3.0
8.1
EPSS
1.8%
CVE-2019-9814 Jul 23, 14:15 CRITICAL Act Now

Mozilla developers and community members reported memory safety bugs present in Firefox 66. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Buffer Overflow Memory Corruption Mozilla Firefox
NVD
CVSS 3.0
9.8
EPSS
1.3%
CVE-2019-9811 Jul 23, 14:15 HIGH POC This Week

As part of a winning Pwn2Own entry, a researcher demonstrated a sandbox escape by installing a malicious language pack and then opening a browser feature that used the compromised translation. Rated high severity (CVSS 8.3), this vulnerability is remotely exploitable, no authentication required. Public exploit code available and no vendor patch available.

Information Disclosure Debian Mozilla Debian Linux Firefox +6
NVD
CVSS 3.1
8.3
EPSS
2.6%
CVE-2019-9800 Jul 23, 14:15 CRITICAL Act Now

Mozilla developers and community members reported memory safety bugs present in Firefox 66, Firefox ESR 60.6, and Thunderbird 60.6. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Buffer Overflow Memory Corruption Mozilla Firefox +2
NVD
CVSS 3.0
9.8
EPSS
1.8%
CVE-2019-11730 Jul 23, 14:15 MEDIUM This Month

A vulnerability exists where if a user opens a locally saved HTML file, this file can use file: URIs to access other files in the same directory or sub-directories if the names are known or guessed. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Google Debian Mozilla Debian Linux +7
NVD
CVSS 3.1
6.5
EPSS
20.3%
CVE-2019-11729 Jul 23, 14:15 HIGH This Week

Empty or malformed p256-ECDH public keys may trigger a segmentation fault due values being improperly sanitized before being copied into memory and used. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Mozilla Firefox Thunderbird
NVD
CVSS 3.0
7.5
EPSS
2.8%
CVE-2019-11728 Jul 23, 14:15 MEDIUM This Month

The HTTP Alternative Services header, Alt-Svc, can be used by a malicious site to scan all TCP ports of any host that the accessible to a user when web content is loaded. Rated medium severity (CVSS 4.7), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Firefox Leap Opensuse
NVD
CVSS 3.1
4.7
EPSS
1.1%
CVE-2019-11727 Jul 23, 14:15 MEDIUM This Month

A vulnerability exists where it possible to force Network Security Services (NSS) to sign CertificateVerify with PKCS#1 v1.5 signatures when those are the only ones advertised by server in. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Firefox
NVD
CVSS 3.0
5.3
EPSS
1.7%
CVE-2019-11725 Jul 23, 14:15 MEDIUM This Month

When a user navigates to site marked as unsafe by the Safebrowsing API, warning messages are displayed and navigation is interrupted but resources from the same site loaded through websockets are not. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Mozilla Firefox Leap Opensuse
NVD
CVSS 3.1
6.5
EPSS
1.1%
CVE-2019-11724 Jul 23, 14:15 MEDIUM POC This Month

Application permissions give additional remote troubleshooting permission to the site input.mozilla.org, which has been retired and now redirects to another site. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass Mozilla Firefox Leap Opensuse
NVD
CVSS 3.1
6.1
EPSS
1.1%
CVE-2019-11723 Jul 23, 14:15 HIGH This Week

A vulnerability exists during the installation of add-ons where the initial fetch ignored the origin attributes of the browsing context. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Firefox Leap Opensuse
NVD
CVSS 3.1
7.5
EPSS
0.8%
CVE-2019-11721 Jul 23, 14:15 MEDIUM POC This Month

The unicode latin 'kra' character can be used to spoof a standard 'k' character in the addressbar. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Information Disclosure Mozilla Firefox Leap Opensuse
NVD
CVSS 3.1
6.5
EPSS
1.4%
CVE-2019-11720 Jul 23, 14:15 MEDIUM This Month

Some unicode characters are incorrectly treated as whitespace during the parsing of web content instead of triggering parsing errors. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Mozilla Firefox Leap Opensuse
NVD
CVSS 3.1
6.1
EPSS
1.1%
CVE-2019-11719 Jul 23, 14:15 HIGH This Week

When importing a curve25519 private key in PKCS#8format with leading 0x00 bytes, it is possible to trigger an out-of-bounds read in the Network Security Services (NSS) library. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Information Disclosure Mozilla Firefox Thunderbird
NVD
CVSS 3.0
7.5
EPSS
2.2%
CVE-2019-11718 Jul 23, 14:15 MEDIUM This Month

Activity Stream can display content from sent from the Snippet Service website. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Firefox Leap Opensuse
NVD
CVSS 3.1
5.3
EPSS
1.2%
CVE-2019-11717 Jul 23, 14:15 MEDIUM POC This Month

A vulnerability exists where the caret ("^") character is improperly escaped constructing some URIs due to it being used as a separator, allowing for possible spoofing of origin attributes. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Information Disclosure Debian Mozilla Debian Linux Firefox +5
NVD
CVSS 3.1
5.3
EPSS
2.1%
CVE-2019-11716 Jul 23, 14:15 HIGH This Week

Until explicitly accessed by script, window.globalThis is not enumerable and, as a result, is not visible to code such as Object.getOwnPropertyNames(window). Rated high severity (CVSS 8.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Mozilla Firefox
NVD
CVSS 3.0
8.3
EPSS
1.4%
CVE-2019-11715 Jul 23, 14:15 MEDIUM This Month

Due to an error while parsing page content, it is possible for properly sanitized user input to be misinterpreted and lead to XSS hazards on web sites in certain circumstances. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Mozilla Firefox Thunderbird
NVD
CVSS 3.0
6.1
EPSS
1.5%
CVE-2019-11714 Jul 23, 14:15 CRITICAL Act Now

Necko can access a child on the wrong thread during UDP connections, resulting in a potentially exploitable crash in some instances. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Mozilla Firefox
NVD
CVSS 3.0
9.8
EPSS
1.7%
CVE-2019-11713 Jul 23, 14:15 CRITICAL Act Now

A use-after-free vulnerability can occur in HTTP/2 when a cached HTTP/2 stream is closed while still in use, resulting in a potentially exploitable crash. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Use After Free Memory Corruption Mozilla Firefox +1
NVD
CVSS 3.0
9.8
EPSS
2.1%
CVE-2019-11712 Jul 23, 14:15 HIGH This Week

POST requests made by NPAPI plugins, such as Flash, that receive a status 308 redirect response can bypass CORS requirements. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

CSRF Mozilla Firefox Thunderbird
NVD
CVSS 3.0
8.8
EPSS
1.0%
CVE-2019-11711 Jul 23, 14:15 HIGH This Week

When an inner window is reused, it does not consider the use of document.domain for cross-origin protections. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Code Injection Debian Mozilla Debian Linux Firefox +1
NVD
CVSS 3.1
8.8
EPSS
1.6%
CVE-2019-11710 Jul 23, 14:15 CRITICAL Act Now

Mozilla developers and community members reported memory safety bugs present in Firefox 67. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Buffer Overflow Memory Corruption Mozilla Firefox +2
NVD
CVSS 3.1
9.8
EPSS
1.7%
CVE-2019-11709 Jul 23, 14:15 CRITICAL Act Now

Mozilla developers and community members reported memory safety bugs present in Firefox 67 and Firefox ESR 60.7. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Buffer Overflow Memory Corruption Debian Mozilla +7
NVD
CVSS 3.1
9.8
EPSS
2.3%
CVE-2019-11706 Jul 23, 14:15 HIGH POC This Week

A flaw in Thunderbird's implementation of iCal causes a type confusion in icaltimezone_get_vtimezone_properties when processing certain email messages, resulting in a crash. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Memory Corruption Mozilla Thunderbird
NVD Exploit-DB
CVSS 3.1
7.5
EPSS
9.7%
CVE-2019-11705 Jul 23, 14:15 CRITICAL POC Act Now

A flaw in Thunderbird's implementation of iCal causes a stack buffer overflow in icalrecur_add_bydayrules when processing certain email messages, resulting in a potentially exploitable crash. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Memory Corruption Mozilla Thunderbird
NVD Exploit-DB
CVSS 3.1
9.8
EPSS
9.9%
CVE-2019-11704 Jul 23, 14:15 CRITICAL POC THREAT Act Now

A flaw in Thunderbird's implementation of iCal causes a heap buffer overflow in icalmemory_strdup_and_dequote when processing certain email messages, resulting in a potentially exploitable crash. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Buffer Overflow Memory Corruption Mozilla Thunderbird
NVD Exploit-DB
CVSS 3.1
9.8
EPSS
10.5%
CVE-2019-11703 Jul 23, 14:15 CRITICAL POC THREAT Act Now

A flaw in Thunderbird's implementation of iCal causes a heap buffer overflow in parser_get_next_char when processing certain email messages, resulting in a potentially exploitable crash. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Buffer Overflow Memory Corruption Mozilla Thunderbird
NVD Exploit-DB
CVSS 3.1
9.8
EPSS
10.5%
CVE-2019-11702 Jul 23, 14:15 MEDIUM This Month

A hyperlink using protocols associated with Internet Explorer, such as IE.HTTP:, can be used to open local files at a known location with Internet Explorer if a user approves execution when prompted. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Microsoft Mozilla Firefox
NVD
CVSS 3.0
6.5
EPSS
1.4%
CVE-2019-11701 Jul 23, 14:15 MEDIUM This Month

The default webcal: protocol handler will load a web site vulnerable to cross-site scripting (XSS) attacks. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Mozilla Firefox
NVD
CVSS 3.0
6.1
EPSS
0.6%
CVE-2019-11700 Jul 23, 14:15 MEDIUM This Month

A hyperlink using the res: protocol can be used to open local files at a known location in Internet Explorer if a user approves execution when prompted. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Microsoft Mozilla Firefox
NVD
CVSS 3.0
6.5
EPSS
1.4%
CVE-2019-11699 Jul 23, 14:15 MEDIUM This Month

A malicious page can briefly cause the wrong name to be highlighted as the domain name in the addressbar during page navigations. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Firefox
NVD
CVSS 3.0
6.5
EPSS
0.8%
CVE-2019-11698 Jul 23, 14:15 MEDIUM This Month

If a crafted hyperlink is dragged and dropped to the bookmark bar or sidebar and the resulting bookmark is subsequently dragged and dropped into the web content area, an arbitrary query of a user's. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Firefox Thunderbird
NVD
CVSS 3.0
5.3
EPSS
1.4%
CVE-2019-11697 Jul 23, 14:15 MEDIUM This Month

If the ALT and "a" keys are pressed when users receive an extension installation prompt, the extension will be installed without the install prompt delay that keeps the prompt visible in order for. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Firefox
NVD
CVSS 3.0
6.5
EPSS
0.8%
CVE-2019-11696 Jul 23, 14:15 HIGH POC This Week

Files with the .JNLP extension used for "Java web start" applications are not treated as executable content for download prompts even though they can be executed if Java is installed on the local. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Java Information Disclosure Mozilla Firefox
NVD
CVSS 3.0
7.8
EPSS
0.8%
CVE-2019-11695 Jul 23, 14:15 MEDIUM POC This Month

A custom cursor defined by scripting on a site can position itself over the addressbar to spoof the actual cursor when it should not be allowed outside of the primary web content area. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Information Disclosure Mozilla Firefox
NVD
CVSS 3.0
4.3
EPSS
0.7%
CVE-2019-11694 Jul 23, 14:15 HIGH This Week

A vulnerability exists in the Windows sandbox where an uninitialized value in memory can be leaked to a renderer from a broker when making a call to access an otherwise unavailable file. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Microsoft Mozilla Firefox Thunderbird
NVD
CVSS 3.0
7.5
EPSS
1.5%
CVE-2019-11693 Jul 23, 14:15 CRITICAL Act Now

The bufferdata function in WebGL is vulnerable to a buffer overflow with specific graphics drivers on Linux. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Memory Corruption Mozilla Firefox Thunderbird
NVD
CVSS 3.0
9.8
EPSS
2.4%
CVE-2019-11692 Jul 23, 14:15 CRITICAL Act Now

A use-after-free vulnerability can occur when listeners are removed from the event listener manager while still in use, resulting in a potentially exploitable crash. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Use After Free Memory Corruption Mozilla Firefox +1
NVD
CVSS 3.0
9.8
EPSS
1.6%
CVE-2019-11691 Jul 23, 14:15 CRITICAL Act Now

A use-after-free vulnerability can occur when working with XMLHttpRequest (XHR) in an event loop, causing the XHR main thread to be called after it has been freed. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Use After Free Memory Corruption Mozilla Firefox +2
NVD
CVSS 3.0
9.8
EPSS
1.6%
CVE-2019-13075 Jun 30, 14:15 MEDIUM POC This Month

Tor Browser through 8.5.3 has an information exposure vulnerability. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Information Disclosure Mozilla Tor Browser Torproject
NVD
CVSS 3.0
5.3
EPSS
1.9%
CVE-2019-9813 Apr 26, 17:29 HIGH POC This Week

Incorrect handling of __proto__ mutations may lead to type confusion in IonMonkey JIT code and can be leveraged for arbitrary memory read and write. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Memory Corruption Mozilla Firefox Thunderbird
NVD Exploit-DB
CVSS 3.0
8.8
EPSS
7.4%
CVE-2019-9810 Apr 26, 17:29 HIGH POC THREAT This Week

Incorrect alias information in IonMonkey JIT compiler for Array.prototype.slice method may lead to missing bounds check and a buffer overflow. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Buffer Overflow Red Hat Mozilla Enterprise Linux Enterprise Linux Eus +4
NVD Exploit-DB
CVSS 3.1
8.8
EPSS
29.5%
CVE-2019-9809 Apr 26, 17:29 HIGH POC This Week

If the source for resources on a page is through an FTP connection, it is possible to trigger a series of modal alert messages for these resources through invalid credentials or locations. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Mozilla Firefox
NVD
CVSS 3.0
7.5
EPSS
1.6%
CVE-2019-9808 Apr 26, 17:29 MEDIUM This Month

If WebRTC permission is requested from documents with data: or blob: URLs, the permission notifications do not properly display the originating domain. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Firefox
NVD
CVSS 3.0
5.3
EPSS
0.4%
EPSS 1% CVSS 8.8
HIGH This Week

When removing data about an origin whose tab was recently closed, a use-after-free could occur in the Quota manager, resulting in a potentially exploitable crash. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Use After Free Memory Corruption +6
NVD
EPSS 1% CVSS 6.1
MEDIUM POC PATCH This Month

In Mozilla Bleach before 3.12, a mutation XSS in bleach.clean when RCDATA and either svg or math tags are whitelisted and the keyword argument strip=False. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

XSS Mozilla Fedora +2
NVD GitHub
EPSS 2% CVSS 6.1
MEDIUM POC PATCH This Month

In Mozilla Bleach before 3.11, a mutation XSS affects users calling bleach.clean with noscript and a raw tag in the allowed/whitelisted tags option. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

XSS Mozilla Fedora +2
NVD GitHub
EPSS 1% CVSS 8.8
HIGH This Week

Mozilla developers reported memory safety bugs present in Firefox 72. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Buffer Overflow Memory Corruption +4
NVD
EPSS 2% CVSS 8.8
HIGH This Week

Mozilla developers and community members reported memory safety bugs present in Firefox 72 and Firefox ESR 68.4. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Buffer Overflow Memory Corruption +6
NVD
EPSS 1% CVSS 8.8
HIGH PATCH This Week

Command line arguments could have been injected during Firefox invocation as a shell handler for certain unsupported file types. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Microsoft Code Injection Mozilla +2
NVD
EPSS 2% CVSS 6.1
MEDIUM This Month

If a template tag was used in a select tag, the parser could be confused and allow JavaScript parsing and execution when it should not be allowed. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Mozilla Firefox +2
NVD
EPSS 1% CVSS 4.3
MEDIUM This Month

By downloading a file with the .fileloc extension, a semi-privileged extension could launch an arbitrary application on the user's computer. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Firefox +2
NVD
EPSS 2% CVSS 8.8
HIGH This Week

A content process could have modified shared memory relating to crash reporting information, crash itself, and cause an out-of-bound write. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Memory Corruption Mozilla +2
NVD
EPSS 1% CVSS 6.5
MEDIUM This Month

When processing a message that contains multiple S/MIME signatures, a bug in the MIME processing code caused a null pointer dereference, leading to an unexploitable crash. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Null Pointer Dereference Mozilla +1
NVD
EPSS 1% CVSS 6.5
MEDIUM POC This Month

If a user saved passwords before Thunderbird 60 and then later set a master password, an unencrypted copy of these passwords is still accessible. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Information Disclosure Mozilla Canonical +2
NVD
EPSS 1% CVSS 6.5
MEDIUM This Month

When processing an email message with an ill-formed envelope, Thunderbird could read data from a random memory location. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Thunderbird
NVD
EPSS 1% CVSS 4.3
MEDIUM This Month

When deriving an identifier for an email message, uninitialized memory was used in addition to the message contents. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Canonical +2
NVD
EPSS 1% CVSS 6.1
MEDIUM PATCH This Month

A reflected XSS vulnerability exists within the gateway, allowing an attacker to craft a specialized URL which could steal the user's authentication token. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Cross-Site Scripting (XSS) vulnerability could allow attackers to inject malicious scripts into web pages viewed by other users.

XSS Mozilla Webthings Gateway
NVD GitHub
EPSS 1% CVSS 6.1
MEDIUM PATCH This Month

An open redirect is present on the gateway's login page, which could cause a user to be redirected to a malicious site after logging in. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Open Redirect Mozilla Webthings Gateway
NVD GitHub
EPSS 3% CVSS 6.1
MEDIUM PATCH This Month

A XSS vulnerability was found in Apache NiFi 1.0.0 to 1.10.0. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Apache Mozilla +1
NVD
EPSS 1% CVSS 6.1
MEDIUM This Month

JetBrains YouTrack versions before 2019.2.53938 had a possible XSS through issue attachments when using the Firefox browser. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Mozilla Youtrack +1
NVD
EPSS 1% CVSS 7.5
HIGH This Week

A crafted S/MIME message consisting of an inner encryption layer and an outer SignedData layer was shown as having a valid digital signature, although the signer might have had no access to the. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Jwt Attack +1
NVD
EPSS 1% CVSS 4.3
MEDIUM This Month

When the pointer lock is enabled by a website though requestPointerLock(), no user notification is given. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Firefox
NVD
EPSS 0% CVSS 7.8
HIGH This Week

The Firefox installer allows Firefox to be installed to a custom user writable location, leaving it unprotected from manipulation by unprivileged users or malware. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

Privilege Escalation Microsoft Mozilla +2
NVD
EPSS 2% CVSS 8.8
HIGH This Week

It is possible to delete an IndexedDB key value and subsequently try to extract it during conversion. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Use After Free Memory Corruption +4
NVD
EPSS 1% CVSS 8.8
HIGH This Week

Logging-related command line parameters are not properly sanitized when Firefox is launched by another program, such as when a user clicks on malicious links in a chat application. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Microsoft Mozilla +2
NVD
EPSS 1% CVSS 6.5
MEDIUM This Month

A type confusion vulnerability exists in Spidermonkey, which results in a non-exploitable crash. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Memory Corruption Mozilla +2
NVD
EPSS 1% CVSS 4.3
MEDIUM This Month

A vulnerability exists in WebRTC where malicious web content can use probing techniques on the getUserMedia API using constraints to reveal device properties of cameras on the system without. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Firefox +1
NVD
EPSS 1% CVSS 6.5
MEDIUM This Month

WebRTC in Firefox will honor persisted permissions given to sites for access to microphone and camera resources even when in a third-party context. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Firefox +1
NVD
EPSS 1% CVSS 6.5
MEDIUM This Month

The "Forget about this site" feature in the History pane is intended to remove all saved user data that indicates a user has visited a site. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Firefox +1
NVD
EPSS 2% CVSS 8.8
HIGH This Week

A use-after-free vulnerability can occur while manipulating video elements if the body is freed while still in use. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Use After Free Memory Corruption +4
NVD
EPSS 1% CVSS 6.1
MEDIUM This Month

Some HTML elements, such as <title> and <textarea>, can contain literal angle brackets without treating them as markup. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Mozilla Firefox +1
NVD
EPSS 2% CVSS 3.7
LOW POC Monitor

Navigation events were not fully adhering to the W3C's "Navigation-Timing Level 2" draft specification in some instances for the unload event, which restricts access to detailed timing attributes to. Rated low severity (CVSS 3.7), this vulnerability is remotely exploitable, no authentication required. Public exploit code available and no vendor patch available.

Information Disclosure Mozilla Firefox +2
NVD
EPSS 2% CVSS 6.5
MEDIUM This Month

A same-origin policy violation occurs allowing the theft of cross-origin images through a combination of SVG filters and a <canvas> element due to an error in how same-origin policy is applied. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Firefox +2
NVD
EPSS 1% CVSS 6.1
MEDIUM This Month

A compromised sandboxed content process can perform a Universal Cross-site Scripting (UXSS) attack on content from any site it can cause to be loaded in the same process. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Mozilla Firefox
NVD
EPSS 2% CVSS 8.8
HIGH This Week

Mozilla developers and community members reported memory safety bugs present in Firefox 68, Firefox ESR 68, and Firefox 60.8. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Buffer Overflow Memory Corruption +8
NVD
EPSS 1% CVSS 6.5
MEDIUM This Month

Encrypted S/MIME parts in a crafted multipart/alternative message can leak plaintext when included in a a HTML reply/forward. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Thunderbird
NVD
EPSS 1% CVSS 6.3
MEDIUM POC This Month

If a Content Security Policy (CSP) directive is defined that uses a hash-based source that takes the empty string as input, execution of any javascript: URIs will be allowed. Rated medium severity (CVSS 6.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass Mozilla Firefox +3
NVD
EPSS 1% CVSS 5.3
MEDIUM This Month

If a wildcard ('*') is specified for the host in Content Security Policy (CSP) directives, any port or path restriction of the directive will be ignored, leading to CSP directives not being properly. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Firefox
NVD
EPSS 0% CVSS 7.0
HIGH This Week

The Mozilla Maintenance Service does not guard against files being hardlinked to another file in the updates directory, allowing for the replacement of local files, including the Maintenance Service. Rated high severity (CVSS 7.0). No vendor patch available.

Privilege Escalation Race Condition Microsoft +3
NVD
EPSS 1% CVSS 8.8
HIGH This Week

Mozilla developers and community members reported memory safety bugs present in Firefox 68 and Firefox ESR 68. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Buffer Overflow Memory Corruption +5
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

Mozilla developers and community members reported memory safety bugs present in Firefox 68. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Buffer Overflow Memory Corruption +2
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

When a master password is set, it is required to be entered again before stored passwords can be accessed in the 'Saved Logins' dialog. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Mozilla Firefox
NVD
EPSS 1% CVSS 8.1
HIGH This Week

A use-after-free vulnerability can occur in AssertWorkerThread due to a race condition with shared workers. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Denial Of Service Race Condition Mozilla +1
NVD
EPSS 2% CVSS 9.8
CRITICAL Act Now

A use-after-free vulnerability can occur in the chrome event handler when it is freed while still in use. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Google Use After Free +5
NVD
EPSS 2% CVSS 9.8
CRITICAL Act Now

A vulnerability where a JavaScript compartment mismatch can occur while working with the fetch API, resulting in a potentially exploitable crash. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Memory Corruption Mozilla +3
NVD
EPSS 1% CVSS 8.3
HIGH This Week

A race condition is present in the crash generation server used to generate data for the crash reporter. Rated high severity (CVSS 8.3), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Denial Of Service Race Condition Microsoft +4
NVD
EPSS 1% CVSS 5.3
MEDIUM This Month

Images from a different domain can be read using a canvas object in some circumstances. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Firefox +2
NVD
EPSS 6% CVSS 5.9
MEDIUM POC This Month

A possible vulnerability exists where type confusion can occur when manipulating JavaScript objects in object groups, allowing for the bypassing of security checks within these groups. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Authentication Bypass Memory Corruption Mozilla +3
NVD Exploit-DB
EPSS 2% CVSS 8.1
HIGH This Week

If hyperthreading is not disabled, a timing attack vulnerability exists, similar to previous Spectre attacks. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Information Disclosure Apple Mozilla +3
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

Mozilla developers and community members reported memory safety bugs present in Firefox 66. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Buffer Overflow Memory Corruption +2
NVD
EPSS 3% CVSS 8.3
HIGH POC This Week

As part of a winning Pwn2Own entry, a researcher demonstrated a sandbox escape by installing a malicious language pack and then opening a browser feature that used the compromised translation. Rated high severity (CVSS 8.3), this vulnerability is remotely exploitable, no authentication required. Public exploit code available and no vendor patch available.

Information Disclosure Debian Mozilla +8
NVD
EPSS 2% CVSS 9.8
CRITICAL Act Now

Mozilla developers and community members reported memory safety bugs present in Firefox 66, Firefox ESR 60.6, and Thunderbird 60.6. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Buffer Overflow Memory Corruption +4
NVD
EPSS 20% CVSS 6.5
MEDIUM This Month

A vulnerability exists where if a user opens a locally saved HTML file, this file can use file: URIs to access other files in the same directory or sub-directories if the names are known or guessed. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Google Debian +9
NVD
EPSS 3% CVSS 7.5
HIGH This Week

Empty or malformed p256-ECDH public keys may trigger a segmentation fault due values being improperly sanitized before being copied into memory and used. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Mozilla Firefox +1
NVD
EPSS 1% CVSS 4.7
MEDIUM This Month

The HTTP Alternative Services header, Alt-Svc, can be used by a malicious site to scan all TCP ports of any host that the accessible to a user when web content is loaded. Rated medium severity (CVSS 4.7), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Firefox +2
NVD
EPSS 2% CVSS 5.3
MEDIUM This Month

A vulnerability exists where it possible to force Network Security Services (NSS) to sign CertificateVerify with PKCS#1 v1.5 signatures when those are the only ones advertised by server in. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Firefox
NVD
EPSS 1% CVSS 6.5
MEDIUM This Month

When a user navigates to site marked as unsafe by the Safebrowsing API, warning messages are displayed and navigation is interrupted but resources from the same site loaded through websockets are not. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Mozilla Firefox +2
NVD
EPSS 1% CVSS 6.1
MEDIUM POC This Month

Application permissions give additional remote troubleshooting permission to the site input.mozilla.org, which has been retired and now redirects to another site. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass Mozilla Firefox +2
NVD
EPSS 1% CVSS 7.5
HIGH This Week

A vulnerability exists during the installation of add-ons where the initial fetch ignored the origin attributes of the browsing context. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Firefox +2
NVD
EPSS 1% CVSS 6.5
MEDIUM POC This Month

The unicode latin 'kra' character can be used to spoof a standard 'k' character in the addressbar. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Information Disclosure Mozilla Firefox +2
NVD
EPSS 1% CVSS 6.1
MEDIUM This Month

Some unicode characters are incorrectly treated as whitespace during the parsing of web content instead of triggering parsing errors. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Mozilla Firefox +2
NVD
EPSS 2% CVSS 7.5
HIGH This Week

When importing a curve25519 private key in PKCS#8format with leading 0x00 bytes, it is possible to trigger an out-of-bounds read in the Network Security Services (NSS) library. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Information Disclosure Mozilla +2
NVD
EPSS 1% CVSS 5.3
MEDIUM This Month

Activity Stream can display content from sent from the Snippet Service website. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Firefox +2
NVD
EPSS 2% CVSS 5.3
MEDIUM POC This Month

A vulnerability exists where the caret ("^") character is improperly escaped constructing some URIs due to it being used as a separator, allowing for possible spoofing of origin attributes. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Information Disclosure Debian Mozilla +7
NVD
EPSS 1% CVSS 8.3
HIGH This Week

Until explicitly accessed by script, window.globalThis is not enumerable and, as a result, is not visible to code such as Object.getOwnPropertyNames(window). Rated high severity (CVSS 8.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Mozilla Firefox
NVD
EPSS 2% CVSS 6.1
MEDIUM This Month

Due to an error while parsing page content, it is possible for properly sanitized user input to be misinterpreted and lead to XSS hazards on web sites in certain circumstances. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Mozilla Firefox +1
NVD
EPSS 2% CVSS 9.8
CRITICAL Act Now

Necko can access a child on the wrong thread during UDP connections, resulting in a potentially exploitable crash in some instances. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Mozilla Firefox
NVD
EPSS 2% CVSS 9.8
CRITICAL Act Now

A use-after-free vulnerability can occur in HTTP/2 when a cached HTTP/2 stream is closed while still in use, resulting in a potentially exploitable crash. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Use After Free Memory Corruption +3
NVD
EPSS 1% CVSS 8.8
HIGH This Week

POST requests made by NPAPI plugins, such as Flash, that receive a status 308 redirect response can bypass CORS requirements. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

CSRF Mozilla Firefox +1
NVD
EPSS 2% CVSS 8.8
HIGH This Week

When an inner window is reused, it does not consider the use of document.domain for cross-origin protections. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Code Injection Debian Mozilla +3
NVD
EPSS 2% CVSS 9.8
CRITICAL Act Now

Mozilla developers and community members reported memory safety bugs present in Firefox 67. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Buffer Overflow Memory Corruption +4
NVD
EPSS 2% CVSS 9.8
CRITICAL Act Now

Mozilla developers and community members reported memory safety bugs present in Firefox 67 and Firefox ESR 60.7. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Buffer Overflow Memory Corruption +9
NVD
EPSS 10% CVSS 7.5
HIGH POC This Week

A flaw in Thunderbird's implementation of iCal causes a type confusion in icaltimezone_get_vtimezone_properties when processing certain email messages, resulting in a crash. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Memory Corruption Mozilla +1
NVD Exploit-DB
EPSS 10% CVSS 9.8
CRITICAL POC Act Now

A flaw in Thunderbird's implementation of iCal causes a stack buffer overflow in icalrecur_add_bydayrules when processing certain email messages, resulting in a potentially exploitable crash. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Memory Corruption Mozilla +1
NVD Exploit-DB
EPSS 11% CVSS 9.8
CRITICAL POC THREAT Act Now

A flaw in Thunderbird's implementation of iCal causes a heap buffer overflow in icalmemory_strdup_and_dequote when processing certain email messages, resulting in a potentially exploitable crash. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Buffer Overflow Memory Corruption Mozilla +1
NVD Exploit-DB
EPSS 11% CVSS 9.8
CRITICAL POC THREAT Act Now

A flaw in Thunderbird's implementation of iCal causes a heap buffer overflow in parser_get_next_char when processing certain email messages, resulting in a potentially exploitable crash. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Buffer Overflow Memory Corruption Mozilla +1
NVD Exploit-DB
EPSS 1% CVSS 6.5
MEDIUM This Month

A hyperlink using protocols associated with Internet Explorer, such as IE.HTTP:, can be used to open local files at a known location with Internet Explorer if a user approves execution when prompted. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Microsoft Mozilla +1
NVD
EPSS 1% CVSS 6.1
MEDIUM This Month

The default webcal: protocol handler will load a web site vulnerable to cross-site scripting (XSS) attacks. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Mozilla Firefox
NVD
EPSS 1% CVSS 6.5
MEDIUM This Month

A hyperlink using the res: protocol can be used to open local files at a known location in Internet Explorer if a user approves execution when prompted. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Microsoft Mozilla +1
NVD
EPSS 1% CVSS 6.5
MEDIUM This Month

A malicious page can briefly cause the wrong name to be highlighted as the domain name in the addressbar during page navigations. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Firefox
NVD
EPSS 1% CVSS 5.3
MEDIUM This Month

If a crafted hyperlink is dragged and dropped to the bookmark bar or sidebar and the resulting bookmark is subsequently dragged and dropped into the web content area, an arbitrary query of a user's. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Firefox +1
NVD
EPSS 1% CVSS 6.5
MEDIUM This Month

If the ALT and "a" keys are pressed when users receive an extension installation prompt, the extension will be installed without the install prompt delay that keeps the prompt visible in order for. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Firefox
NVD
EPSS 1% CVSS 7.8
HIGH POC This Week

Files with the .JNLP extension used for "Java web start" applications are not treated as executable content for download prompts even though they can be executed if Java is installed on the local. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Java Information Disclosure Mozilla +1
NVD
EPSS 1% CVSS 4.3
MEDIUM POC This Month

A custom cursor defined by scripting on a site can position itself over the addressbar to spoof the actual cursor when it should not be allowed outside of the primary web content area. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Information Disclosure Mozilla Firefox
NVD
EPSS 2% CVSS 7.5
HIGH This Week

A vulnerability exists in the Windows sandbox where an uninitialized value in memory can be leaked to a renderer from a broker when making a call to access an otherwise unavailable file. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Microsoft Mozilla +2
NVD
EPSS 2% CVSS 9.8
CRITICAL Act Now

The bufferdata function in WebGL is vulnerable to a buffer overflow with specific graphics drivers on Linux. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Memory Corruption Mozilla +2
NVD
EPSS 2% CVSS 9.8
CRITICAL Act Now

A use-after-free vulnerability can occur when listeners are removed from the event listener manager while still in use, resulting in a potentially exploitable crash. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Use After Free Memory Corruption +3
NVD
EPSS 2% CVSS 9.8
CRITICAL Act Now

A use-after-free vulnerability can occur when working with XMLHttpRequest (XHR) in an event loop, causing the XHR main thread to be called after it has been freed. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Use After Free Memory Corruption +4
NVD
EPSS 2% CVSS 5.3
MEDIUM POC This Month

Tor Browser through 8.5.3 has an information exposure vulnerability. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Information Disclosure Mozilla Tor Browser +1
NVD
EPSS 7% CVSS 8.8
HIGH POC This Week

Incorrect handling of __proto__ mutations may lead to type confusion in IonMonkey JIT code and can be leveraged for arbitrary memory read and write. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Memory Corruption Mozilla +2
NVD Exploit-DB
EPSS 30% CVSS 8.8
HIGH POC THREAT This Week

Incorrect alias information in IonMonkey JIT compiler for Array.prototype.slice method may lead to missing bounds check and a buffer overflow. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Buffer Overflow Red Hat Mozilla +6
NVD Exploit-DB
EPSS 2% CVSS 7.5
HIGH POC This Week

If the source for resources on a page is through an FTP connection, it is possible to trigger a series of modal alert messages for these resources through invalid credentials or locations. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Mozilla Firefox
NVD
EPSS 0% CVSS 5.3
MEDIUM This Month

If WebRTC permission is requested from documents with data: or blob: URLs, the permission notifications do not properly display the originating domain. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Mozilla Firefox
NVD
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