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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2012-06-05T23:00:00

Updated: 2024-08-06T19:17:27.221Z

Reserved: 2012-03-30T00:00:00

Link: CVE-2012-1940

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2012-06-05T23:55:01.607

Modified: 2018-01-05T02:29:30.290

Link: CVE-2012-1940

cve-icon Redhat

Severity : Critical

Publid Date: 2012-06-05T00:00:00Z

Links: CVE-2012-1940 - Bugzilla