CVE-2012-0473: Mozilla Firefox

Medium severity, CVSS 5.0. EPSS: 1.7% chance of exploitation in the next 30 days.

The WebGLBuffer::FindMaxUshortElement function in Mozilla Firefox 4.x through 11.0, Firefox ESR 10.x before 10.0.4, Thunderbird 5.0 through 11.0, Thunderbird ESR 10.x before 10.0.4, and SeaMonkey before 2.9 calls the FindMaxElementInSubArray function with incorrect template arguments, which allows remote attackers to obtain sensitive information from video memory via a crafted WebGL.drawElements call.

Affected products

• Mozilla Firefox: version 4.0 only; version 4.0.1 only; version 5.0 only; version 5.0.1 only; version 6.0 only; version 6.0.1 only; …
• Mozilla Seamonkey: up to and including 2.9; version 1.0 only; version 1.0.1 only; version 1.0.2 only; version 1.0.3 only; version 1.0.4 only; …
• Mozilla Thunderbird: version 5.0 only; version 6.0 only; version 6.0.1 only; version 6.0.2 only; version 7.0 only; version 7.0.1 only; …
• Mozilla Thunderbird ESR: version 10.0 only; version 10.0.1 only; version 10.0.2 only; version 10.0.3 only

Published 2012-04-25. Last modified 2026-06-16.