CVE-2013-0796: Mozilla Firefox

High severity, CVSS 10.0. EPSS: 8% chance of exploitation in the next 30 days.

The WebGL subsystem in Mozilla Firefox before 20.0, Firefox ESR 17.x before 17.0.5, Thunderbird before 17.0.5, Thunderbird ESR 17.x before 17.0.5, and SeaMonkey before 2.17 on Linux does not properly interact with Mesa drivers, which allows remote attackers to execute arbitrary code or cause a denial of service (free of unallocated memory) via unspecified vectors.

Affected products

• Mozilla Firefox: before 20.0 (fixed in 20.0); from 17.0, before 17.0.5 (fixed in 17.0.5)
• Mozilla Seamonkey: before 2.17 (fixed in 2.17)
• Mozilla Thunderbird: from 17.0, before 17.0.5 (fixed in 17.0.5)
• Mozilla Thunderbird ESR: from 17.0, before 17.0.5 (fixed in 17.0.5)

Published 2013-04-03. Last modified 2026-06-16.