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C Ares

9 CVEs product

Monthly

CVE-2025-62408 Dec 08, 22:15 MEDIUM PATCH This Month

c-ares is an asynchronous resolver library. Versions 1.32.3 through 1.34.5 terminate a query after maximum attempts when using read_answer() and process_answer(), which can cause a Denial of Service. This issue is fixed in version 1.34.6.

Denial Of Service Use After Free Memory Corruption Red Hat C Ares +1
NVD GitHub
CVSS 3.1
5.9
EPSS
0.0%
CVE-2023-32067 May 25, 23:15 HIGH This Week

c-ares is an asynchronous resolver library. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Debian C Ares Debian Linux Fedora +2
NVD GitHub
CVSS 3.1
7.5
EPSS
1.6%
CVE-2023-31147 May 25, 22:15 MEDIUM This Month

c-ares is an asynchronous resolver library. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure C Ares Fedora Fedoraproject C Ares Project
NVD GitHub
CVSS 3.1
6.5
EPSS
0.9%
CVE-2023-31130 May 25, 22:15 MEDIUM This Month

c-ares is an asynchronous resolver library. Rated medium severity (CVSS 6.4). No vendor patch available.

Information Disclosure Debian C Ares Debian Linux Fedora +2
NVD GitHub
CVSS 3.1
6.4
EPSS
0.3%
CVE-2023-31124 May 25, 22:15 LOW Monitor

c-ares is an asynchronous resolver library. Rated low severity (CVSS 3.7), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Information Disclosure Google C Ares Fedora Fedoraproject +1
NVD GitHub
CVSS 3.1
3.7
EPSS
0.9%
CVE-2021-3672 Nov 23, 19:15 MEDIUM POC PATCH This Month

A flaw was found in c-ares library, where a missing input validation check of host names returned by DNS (Domain Name Servers) can lead to output of wrong hostnames which might potentially lead to. Rated medium severity (CVSS 5.6), this vulnerability is remotely exploitable, no authentication required. Public exploit code available.

XSS Node.js Red Hat Siemens C Ares +18
NVD
CVSS 3.1
5.6
EPSS
2.6%
CVE-2020-8277 Nov 19, 01:15 HIGH PATCH This Week

A Node.js application that allows an attacker to trigger a DNS request for a host of their choice could trigger a Denial of Service in versions < 15.2.1, < 14.15.1, and < 12.19.1 by getting the. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Uncontrolled Resource Consumption vulnerability could allow attackers to cause denial of service by exhausting system resources.

Denial Of Service Node.js Oracle C Ares Fedora +8
NVD
CVSS 3.1
7.5
EPSS
54.2%
CVE-2017-1000381 Jul 07, 17:29 HIGH This Week

The c-ares function `ares_parse_naptr_reply()`, which is used for parsing NAPTR responses, could be triggered to read memory outside of the given input buffer if the passed in DNS response packet was. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Node.js C Ares Node Js C Ares Project
NVD
CVSS 3.1
7.5
EPSS
0.6%
CVE-2016-5180 Oct 03, 15:59 CRITICAL Act Now

Heap-based buffer overflow in the ares_create_query function in c-ares 1.x before 1.12.0 allows remote attackers to cause a denial of service (out-of-bounds write) or possibly execute arbitrary code. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Epss exploitation probability 18.2% and no vendor patch available.

RCE Buffer Overflow Denial Of Service Memory Corruption Node.js +7
NVD
CVSS 3.1
9.8
EPSS
18.2%
EPSS 0% CVSS 5.9
MEDIUM PATCH This Month

c-ares is an asynchronous resolver library. Versions 1.32.3 through 1.34.5 terminate a query after maximum attempts when using read_answer() and process_answer(), which can cause a Denial of Service. This issue is fixed in version 1.34.6.

Denial Of Service Use After Free Memory Corruption +3
NVD GitHub
EPSS 2% CVSS 7.5
HIGH This Week

c-ares is an asynchronous resolver library. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Debian C Ares +4
NVD GitHub
EPSS 1% CVSS 6.5
MEDIUM This Month

c-ares is an asynchronous resolver library. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure C Ares Fedora +2
NVD GitHub
EPSS 0% CVSS 6.4
MEDIUM This Month

c-ares is an asynchronous resolver library. Rated medium severity (CVSS 6.4). No vendor patch available.

Information Disclosure Debian C Ares +4
NVD GitHub
EPSS 1% CVSS 3.7
LOW Monitor

c-ares is an asynchronous resolver library. Rated low severity (CVSS 3.7), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Information Disclosure Google C Ares +3
NVD GitHub
EPSS 3% CVSS 5.6
MEDIUM POC PATCH This Month

A flaw was found in c-ares library, where a missing input validation check of host names returned by DNS (Domain Name Servers) can lead to output of wrong hostnames which might potentially lead to. Rated medium severity (CVSS 5.6), this vulnerability is remotely exploitable, no authentication required. Public exploit code available.

XSS Node.js Red Hat +20
NVD
EPSS 54% CVSS 7.5
HIGH PATCH This Week

A Node.js application that allows an attacker to trigger a DNS request for a host of their choice could trigger a Denial of Service in versions < 15.2.1, < 14.15.1, and < 12.19.1 by getting the. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Uncontrolled Resource Consumption vulnerability could allow attackers to cause denial of service by exhausting system resources.

Denial Of Service Node.js Oracle +10
NVD
EPSS 1% CVSS 7.5
HIGH This Week

The c-ares function `ares_parse_naptr_reply()`, which is used for parsing NAPTR responses, could be triggered to read memory outside of the given input buffer if the passed in DNS response packet was. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Node.js C Ares +2
NVD
EPSS 18% CVSS 9.8
CRITICAL Act Now

Heap-based buffer overflow in the ares_create_query function in c-ares 1.x before 1.12.0 allows remote attackers to cause a denial of service (out-of-bounds write) or possibly execute arbitrary code. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Epss exploitation probability 18.2% and no vendor patch available.

RCE Buffer Overflow Denial Of Service +9
NVD

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