CVE-2012-4216

Name of the Vulnerable Software and Affected Versions Mozilla Firefox versions prior to 17.0 Firefox ESR 10.x versions prior to 10.0.11 Thunderbird versions prior to 17.0 Thunderbird ESR 10.x versions prior to 10.0.11 SeaMonkey versions prior to 2.14

Description The issue is related to a use-after-free vulnerability in the gfxFont::GetFontEntry function. This vulnerability allows remote attackers to execute arbitrary code or cause a denial of service due to heap memory corruption via unspecified vectors.

Recommendations For Mozilla Firefox versions prior to 17.0, update to version 17.0 or later. For Firefox ESR 10.x versions prior to 10.0.11, update to version 10.0.11 or later. For Thunderbird versions prior to 17.0, update to version 17.0 or later. For Thunderbird ESR 10.x versions prior to 10.0.11, update to version 10.0.11 or later. For SeaMonkey versions prior to 2.14, update to version 2.14 or later.