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Public Date:
2012-A-0073, 2012-A-0153
771896: CVE-2011-3919 libxml2: Heap-based buffer overflow when decoding an entity reference with a long name

The MITRE CVE dictionary describes this issue as:

Heap-based buffer overflow in libxml2, as used in Google Chrome before 16.0.912.75, allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors.

Find out more about CVE-2011-3919 from the MITRE CVE dictionary dictionary and NIST NVD.


This issue affected the versions of libxml2 as shipped with Red Hat Enterprise Linux 4, 5 and 6 and has been addressed via RHSA-2012:0016, RHSA-2012:0017 and RHSA-2012:0018 respectively.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 6.8
Base Metrics AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 6 (libxml2) RHSA-2012:0018 2012-01-11
Red Hat Enterprise Linux EUS (v. 5.6 server) (libxml2) RHSA-2012:0104 2012-02-08
Red Hat Enterprise Linux 4 (libxml2) RHSA-2012:0016 2012-01-11
Red Hat Enterprise Linux 6 (mingw32-libxml2) RHSA-2013:0217 2013-01-31
Red Hat Enterprise Linux 5 (libxml2) RHSA-2012:0017 2012-01-11

Affected Packages State

Platform Package State
Red Hat Enterprise Linux EUS (v. 5.6 server) libxml2 Affected

Last Modified