CVE-2007-1092: Mozilla Firefox

High severity, CVSS 9.3. EPSS: 7.1% chance of exploitation in the next 30 days.

Mozilla Firefox 1.5.0.9 and 2.0.0.1, and SeaMonkey before 1.0.8 allow remote attackers to execute arbitrary code via JavaScript onUnload handlers that modify the structure of a document, wich triggers memory corruption due to the lack of a finalize hook on DOM window objects.

Affected products

• Mozilla Firefox: version 1.5.0.9 only; version 2.0.0.1 only
• Mozilla Seamonkey: up to and including 1.0.7

Published 2007-02-26. Last modified 2026-06-16.