CVE-2007-0647: Apple Mac OS X

High severity, CVSS 7.1. EPSS: 2.6% chance of exploitation in the next 30 days.

Format string vulnerability in Help Viewer 3.0.0 allows remote user-assisted attackers to cause a denial of service (crash) via format string specifiers in a filename, which is not properly handled when calling the NSBeginAlertSheet Apple AppKit function.

Affected products

• Apple Mac OS X: version 10.3.9 only

Published 2007-02-01. Last modified 2026-06-16.