CVE-2012-1958

Name of the Vulnerable Software and Affected Versions Mozilla Firefox versions 4.x through 13.0 Firefox ESR versions 10.x before 10.0.6 Thunderbird versions 5.0 through 13.0 Thunderbird ESR versions 10.x before 10.0.6 SeaMonkey versions prior to 2.11

Description A use-after-free issue in the nsGlobalWindow::PageHidden function might allow remote attackers to execute arbitrary code via vectors related to focused content.

Recommendations For Mozilla Firefox versions 4.x through 13.0, update to a version after 13.0. For Firefox ESR versions 10.x before 10.0.6, update to version 10.0.6 or later. For Thunderbird versions 5.0 through 13.0, update to a version after 13.0. For Thunderbird ESR versions 10.x before 10.0.6, update to version 10.0.6 or later. For SeaMonkey versions prior to 2.11, update to version 2.11 or later.