Public Date:
918876: CVE-2013-0787 Mozilla: Use-after-free in HTML Editor (MFSA 2013-29)

The MITRE CVE dictionary describes this issue as:

Use-after-free vulnerability in the nsEditor::IsPreformatted function in editor/libeditor/base/nsEditor.cpp in Mozilla Firefox before 19.0.2, Firefox ESR 17.x before 17.0.4, Thunderbird before 17.0.4, Thunderbird ESR 17.x before 17.0.4, and SeaMonkey before 2.16.1 allows remote attackers to execute arbitrary code via vectors involving an execCommand call.

Find out more about CVE-2013-0787 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 6 (xulrunner) RHSA-2013:0614 2013-03-08
Red Hat Enterprise Linux Desktop version 5 (thunderbird) RHSA-2013:0627 2013-03-11
Red Hat Enterprise Linux version 6 (thunderbird) RHSA-2013:0627 2013-03-11
Red Hat Enterprise Linux Optional Productivity Applications version 5 (thunderbird) RHSA-2013:0627 2013-03-11
Red Hat Enterprise Linux version 5 (xulrunner) RHSA-2013:0614 2013-03-08

Affected Packages State

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


Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges VUPEN Security via the TippingPoint Zero Day Initiative project as the original reporter.

External References