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Public Date:
815022: CVE-2012-0472 Mozilla: Potential memory corruption during font rendering using cairo-dwrite (MFSA 2012-25)

The MITRE CVE dictionary describes this issue as:

The cairo-dwrite implementation in Mozilla Firefox 4.x through 11.0, Firefox ESR 10.x before 10.0.4, Thunderbird 5.0 through 11.0, Thunderbird ESR 10.x before 10.0.4, and SeaMonkey before 2.9, when certain Windows Vista and Windows 7 configurations are used, does not properly restrict font-rendering attempts, which allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via unspecified vectors.

Find out more about CVE-2012-0472 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 Optional Productivity Applications (v. 5 server) (thunderbird) RHSA-2012:0516 2012-04-24
Red Hat Enterprise Linux 6 (firefox) RHSA-2012:0515 2012-04-24
Red Hat Enterprise Linux 5 (firefox) RHSA-2012:0515 2012-04-24
Red Hat Enterprise Linux 5 (thunderbird) RHSA-2012:0516 2012-04-24
Red Hat Enterprise Linux 6 (thunderbird) RHSA-2012:0516 2012-04-24

Affected Packages State

Platform Package State
Red Hat Enterprise Linux version 6 xulrunner 10.0.4-1.el6_2 Fixed
Red Hat Enterprise Linux version 5 xulrunner 10.0.4-1.el5_8 Fixed


Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges wushi of team509 via iDefense as the original reporter.

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