Skip to main content
View

Vulnerability Assessment

Weakness
CWE
CWE-399
Impact

CVSS score of 5.0 (MEDIUM). Attack characteristics: network attack vector, low complexity. EPSS exploitation probability: 1.94%.
Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.
This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 1.9% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

The xmlreader in libxml allows remote attackers to cause a denial of service (memory consumption) via crafted XML data, related to an XML Entity Expansion (XEE) attack. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affected Packages

rubygems nokogiri fix: 1.6.6.4

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in rubygems

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Sign in to check
Technical ContextAI · show details

This vulnerability is classified under CWE-399. The xmlreader in libxml allows remote attackers to cause a denial of service (memory consumption) via crafted XML data, related to an XML Entity Expansion (XEE) attack. Affected products include: Debian Debian Linux, Canonical Ubuntu Linux, Redhat Enterprise Linux, Xmlsoft Libxml, Oracle Solaris.

Know when Libxml gets its next vulnerability

  • Watch products and get an email when something new is published
  • Check this CVE against your own stack and servers
  • Exploit and PoC references, threat intelligence from 22 sources
Continue with Google Continue with GitHub

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 5.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Confidentiality
None
Integrity
None
Availability
P

DescriptionCVE.org

The xmlreader in libxml allows remote attackers to cause a denial of service (memory consumption) via crafted XML data, related to an XML Entity Expansion (XEE) attack.

Threat Intelligence Overview

EPSS Score
1.9%
Top 16% exploitable
Data Quality
3 sources
Confidence: Low
NVD CVE.org EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 1.9%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

27
Low Medium High Critical
KEV: 0
EPSS: +2
CVSS: +25
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Denial of Service MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)CVE.org

cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:*:*:*:*:*:*:*:*
cpe:2.3:a:xmlsoft:libxml:*:*:*:*:*:*:*:*
cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*

Same weakness CWE-399 – Resource Management Errors

View all
CVE-2013-3893 HIGH POC
8.8
CVE-2013-0025 CRITICAL POC
9.3
CVE-2015-0064 CRITICAL POC
9.3
CVE-2015-0065 CRITICAL POC
9.3
CVE-2013-3846 CRITICAL POC
9.3
CVE-2016-5427 HIGH
7.5
CVE-2013-0233 MEDIUM POC
6.8
CVE-2013-1305 HIGH
7.8

Same technique Denial Of Service

View all
CVE-2015-5119 CRITICAL POC
9.8
CVE-2011-2462 CRITICAL POC
9.8
CVE-2011-0611 HIGH POC
8.8
CVE-2012-1889 HIGH POC
8.8
CVE-2012-0507 CRITICAL POC
9.8
CVE-2014-1761 HIGH POC
7.8
CVE-2015-5122 CRITICAL POC
9.8
CVE-2011-0609 HIGH POC
7.8

References

Advisories & patches
PATCH https://git.gnome.org/browse/libxml2/commit/?id=213f1fe0d76d30eaed6e5853057defc43e6df2c9 REF http://lists.apple.com/archives/security-announce/2016/Mar/msg00000.html REF http://lists.apple.com/archives/security-announce/2016/Mar/msg00001.html REF http://lists.apple.com/archives/security-announce/2016/Mar/msg00002.html REF http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.html REF http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172710.html REF http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172943.html REF http://lists.opensuse.org/opensuse-updates/2015-12/msg00120.html REF http://lists.opensuse.org/opensuse-updates/2016-01/msg00031.html REF http://rhn.redhat.com/errata/RHSA-2015-1419.html REF http://rhn.redhat.com/errata/RHSA-2015-2550.html REF http://www.debian.org/security/2015/dsa-3430 REF http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html REF http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html REF http://www.securityfocus.com/bid/75570 REF http://www.securitytracker.com/id/1034243 REF http://www.ubuntu.com/usn/USN-2812-1 REF http://xmlsoft.org/news.html REF https://security.gentoo.org/glsa/201507-08 REF https://security.gentoo.org/glsa/201701-37 REF https://support.apple.com/HT206166 REF https://support.apple.com/HT206167 REF https://support.apple.com/HT206168 REF https://support.apple.com/HT206169

Search Externally

GitHub PoC Exploit-DB PacketStorm Snyk Rapid7 Nuclei Templates Trickest PoC
Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy