Public Date:
840201: CVE-2012-1948 CVE-2012-1949 Mozilla: Miscellaneous memory safety hazards (rv:14.0/ rv:10.0.6) (MFSA 2012-42)

The MITRE CVE dictionary describes this issue as:

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox 4.x through 13.0, Thunderbird 5.0 through 13.0, and SeaMonkey before 2.11 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

Find out more about CVE-2012-1949 from the MITRE CVE dictionary dictionary and NIST NVD.


Not Vulnerable. This issue does not affect the version of Firefox and Thunderbird package as shipped with Red Hat Enterprise Linux 5 and 6.

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).

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 6 firefox Affected
Red Hat Enterprise Linux 5 firefox Affected
Red Hat Enterprise Linux 5 thunderbird Affected
Red Hat Enterprise Linux 6 thunderbird Affected


Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Brian Smith, Gary Kwong, Christian Holler, Jesse Ruderman, Christoph Diehl, Chris Jones, Brad Lassey, and Kyle Huey as the original reporters. These flaws affected Firefox 13.