CVE-2008-4324: Mozilla Firefox

Medium severity, CVSS 5.0. EPSS: 8.9% chance of exploitation in the next 30 days.

The user interface event dispatcher in Mozilla Firefox 3.0.3 on Windows XP SP2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a series of keypress, click, onkeydown, onkeyup, onmousedown, and onmouseup events. NOTE: it was later reported that Firefox 3.0.2 on Mac OS X 10.5 is also affected.

Affected products

• Mozilla Firefox: version 3.0.3 only

Published 2008-09-29. Last modified 2026-06-16.