CVE-2009-2663: Mozilla Firefox

High severity, CVSS 9.3. EPSS: 2.7% chance of exploitation in the next 30 days.

libvorbis before r16182, as used in Mozilla Firefox 3.5.x before 3.5.2 and other products, allows context-dependent attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via a crafted .ogg file.

Affected products

• Mozilla Firefox: up to and including 3.5.1; version 0.1 only; version 0.2 only; version 0.3 only; version 0.4 only; version 0.5 only; …

Published 2009-08-04. Last modified 2026-06-16.