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CVE Database

CVE-2012-0472

Impact: Critical
Public: 2012-04-24
Bugzilla: 815022: CVE-2012-0472 Mozilla: Potential memory corruption during font rendering using cairo-dwrite (MFSA 2012-25)

Details

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 and NIST NVD.

CVSS v2 metrics

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
RHEL Optional Productivity Applications version 5 (thunderbird) RHSA-2012:0516 April 24, 2012
Red Hat Enterprise Linux Desktop version 5 (thunderbird) RHSA-2012:0516 April 24, 2012
Red Hat Enterprise Linux version 5 (firefox) RHSA-2012:0515 April 24, 2012
Red Hat Enterprise Linux version 6 (firefox) RHSA-2012:0515 April 24, 2012
Red Hat Enterprise Linux version 6 (thunderbird) RHSA-2012:0516 April 24, 2012

External References

Acknowledgements

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

This page is generated automatically and has not been checked for errors or omissions.

For clarification or corrections please contact the Red Hat Security Response Team.