CVE-2013-1669: Mozilla Firefox

High severity, CVSS 10.0. EPSS: 5.4% chance of exploitation in the next 30 days.

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 21.0 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: up to and including 20.0.1; version 19.0 only; version 19.0.1 only; version 19.0.2 only; version 20.0 only

Published 2013-05-16. Last modified 2026-06-16.