CVE-2009-2469: Mozilla Firefox

High severity, CVSS 10.0. EPSS: 5.6% chance of exploitation in the next 30 days.

Mozilla Firefox before 3.0.12 does not properly handle an SVG element that has a property with a watch function and an __defineSetter__ function, which allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via a crafted document, related to a certain pointer misinterpretation.

Affected products

• Mozilla Firefox: any version; up to and including 3.0.11; version 0.1 only; version 0.2 only; version 0.3 only; version 0.4 only; …

Published 2009-07-22. Last modified 2026-06-16.