Red Hat Customer Portal

Skip to main content


Public Date:
877634: CVE-2012-4214 CVE-2012-4215 CVE-2012-4216 CVE-2012-5829 CVE-2012-5839 CVE-2012-5840 Mozilla: Use-after-free and buffer overflow issues found using Address Sanitizer (MFSA 2012-105)

The MITRE CVE dictionary describes this issue as:

Heap-based buffer overflow in the nsWindow::OnExposeEvent function in Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x before 10.0.11, and SeaMonkey before 2.14 allows remote attackers to execute arbitrary code via unspecified vectors.

Find out more about CVE-2012-5829 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-2012:1483 2012-11-20
Red Hat Enterprise Linux 6 (thunderbird) RHSA-2012:1483 2012-11-20
Red Hat Enterprise Linux 6 (firefox) RHSA-2012:1482 2012-11-20
Red Hat Enterprise Linux 5 (thunderbird) RHSA-2012:1483 2012-11-20
Red Hat Enterprise Linux 5 (firefox) RHSA-2012:1482 2012-11-20

Affected Packages State

Platform Package State
Red Hat Enterprise Linux version 6 xulrunner 10.0.11-1.el6_3 Fixed
Red Hat Enterprise Linux version 5 xulrunner 10.0.11-1.el5_8 Fixed


Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Abhishek Arya as the original reporter.

External References

Last Modified