National Cyber Awareness System

Vulnerability Summary for CVE-2012-1940

Overview

Use-after-free vulnerability in the nsFrameList::FirstChild function in Mozilla Firefox 4.x through 12.0, Firefox ESR 10.x before 10.0.5, Thunderbird 5.0 through 12.0, Thunderbird ESR 10.x before 10.0.5, and SeaMonkey before 2.10 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption and application crash) by changing the size of a container of absolutely positioned elements in a column.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: CONFIRM

Name: https://bugzilla.mozilla.org/show_bug.cgi?id=747688

Hyperlink:https://bugzilla.mozilla.org/show_bug.cgi?id=747688

External Source: CONFIRM

Name: http://www.mozilla.org/security/announce/2012/mfsa2012-40.html

Type: Advisory

Hyperlink:http://www.mozilla.org/security/announce/2012/mfsa2012-40.html

External Source: DEBIAN

Name: DSA-2499

Hyperlink:http://www.debian.org/security/2012/dsa-2499