CVE-2011-3026

Impact:
Important
Public Date:
2012-02-16
Bugzilla:
790737: CVE-2011-3026 libpng: Heap buffer overflow in png_decompress_chunk (MFSA 2012-11)

The MITRE CVE dictionary describes this issue as:

Integer overflow in libpng, as used in Google Chrome before 17.0.963.56, allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors that trigger an integer truncation.

Find out more about CVE-2011-3026 from the MITRE CVE dictionary dictionary and NIST NVD.

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 version 6 (libpng) RHSA-2012:0317 2012-02-20
Red Hat Enterprise Linux version 6 (xulrunner) RHSA-2012:0143 2012-02-16
Red Hat Enterprise Linux version 6 (thunderbird) RHSA-2012:0140 2012-02-16
Red Hat Enterprise Linux version 4 (firefox) RHSA-2012:0142 2012-02-16
Red Hat Enterprise Linux version 4 (seamonkey) RHSA-2012:0141 2012-02-16
Red Hat Enterprise Linux version 5 (xulrunner) RHSA-2012:0143 2012-02-16
Red Hat Enterprise Linux version 4 RHSA-2012:0317 2012-02-20
Red Hat Enterprise Linux version 5 (libpng) RHSA-2012:0317 2012-02-20

Affected Packages State

Platform Package State
Red Hat Enterprise Linux version 4 libpng 1.2.7-9.el4 Fixed
Red Hat Enterprise Linux version 4 libpng10 1.0.16-10.el4 Fixed
Red Hat Enterprise Linux 5 thunderbird Affected
Red Hat Enterprise Linux 4 thunderbird Affected

External References