Red Hat Customer Portal

Skip to main content

CVE-2012-1974

Impact:
Critical
Public Date:
2012-08-28
CWE:
CWE-416
Bugzilla:
851910: Mozilla: Multiple Use-after-free issues (MFSA 2012-58)

The MITRE CVE dictionary describes this issue as:

Use-after-free vulnerability in the gfxTextRun::CanBreakLineBefore function in Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, Thunderbird before 15.0, Thunderbird ESR 10.x before 10.0.7, and SeaMonkey before 2.12 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors.

Find out more about CVE-2012-1974 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 5 (firefox) RHSA-2012:1210 2012-08-29
Red Hat Enterprise Linux 5 (thunderbird) RHSA-2012:1211 2012-08-29
Red Hat Enterprise Linux 6 (thunderbird) RHSA-2012:1211 2012-08-29
Red Hat Enterprise Linux 6 (firefox) RHSA-2012:1210 2012-08-29
Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) (thunderbird) RHSA-2012:1211 2012-08-29

Affected Packages State

Platform Package State
Red Hat Enterprise Linux version 6 xulrunner 10.0.7-1.el6_3 Fixed
Red Hat Enterprise Linux version 5 xulrunner 10.0.7-2.el5_8 Fixed

Acknowledgements

Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Security researcher Abhishek Arya (Inferno) of Google Chrome Security Team as the original reporter of this flaw.

Last Modified