CVE-2009-3079: Mozilla Firefox

High severity, CVSS 10.0. EPSS: 3.9% chance of exploitation in the next 30 days.

Unspecified vulnerability in Mozilla Firefox before 3.0.14, and 3.5.x before 3.5.3, allows remote attackers to execute arbitrary JavaScript with chrome privileges via vectors involving an object, the FeedWriter, and the BrowserFeedWriter.

Affected products

• Mozilla Firefox: up to and including 3.0.13; version 0.1 only; version 0.2 only; version 0.3 only; version 0.4 only; version 0.5 only; …

Published 2009-09-10. Last modified 2026-06-16.