CVE-2011-2998

Impact:
Critical
Public Date:
2011-09-28
Bugzilla:
741924: CVE-2011-2998 Mozilla: Integer underflow when using JavaScript RegExp (MFSA 2011-37)

The MITRE CVE dictionary describes this issue as:

Integer underflow in Mozilla Firefox 3.6.x before 3.6.23 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via JavaScript code containing a large RegExp expression.

Find out more about CVE-2011-2998 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 version 4 (seamonkey) RHSA-2011:1344 2011-09-28
Red Hat Enterprise Linux version 4 (thunderbird) RHSA-2011:1343 2011-09-28
Red Hat Enterprise Linux version 4 (firefox) RHSA-2011:1341 2011-09-28
Red Hat Enterprise Linux Optional Productivity Applications version 5 (thunderbird) RHSA-2011:1343 2011-09-28
Red Hat Enterprise Linux version 6 (thunderbird) RHSA-2011:1342 2011-09-28
Red Hat Enterprise Linux version 5 (firefox) RHSA-2011:1341 2011-09-28
Red Hat Enterprise Linux version 6 (firefox) RHSA-2011:1341 2011-09-28
Red Hat Enterprise Linux Desktop version 5 (thunderbird) RHSA-2011:1343 2011-09-28

Affected Packages State

Platform Package State
Red Hat Enterprise Linux Server EUS (v. 6.1) thunderbird Affected
Red Hat Enterprise Linux version 5 xulrunner 1.9.2.23-1.el5_7 Fixed
Red Hat Enterprise Linux version 6 xulrunner 1.9.2.23-1.el6_1.1 Fixed
Red Hat Enterprise Linux Server EUS (v. 6.1) firefox Affected