CVE-2009-3380: Mozilla Firefox

High severity, CVSS 10.0. EPSS: 5.5% chance of exploitation in the next 30 days.

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox 3.0.x before 3.0.15 and 3.5.x before 3.5.4 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

Affected products

• Mozilla Firefox: version 3.0.1 only; version 3.0.2 only; version 3.0.3 only; version 3.0.4 only; version 3.0.5 only; version 3.0.6 only; …

Published 2009-10-29. Last modified 2026-06-16.