CVE-2008-4640: Sentex Jhead

Low severity, CVSS 3.6. EPSS: 0.3% chance of exploitation in the next 30 days.

The DoCommand function in jhead.c in Matthias Wandel jhead 2.84 and earlier allows local users to delete arbitrary files via vectors involving a modified input filename in which (1) a final "z" character is replaced by a "t" character or (2) a final "t" character is replaced by a "z" character.

Affected products

• Sentex Jhead: up to and including 2.82; version 1.2 only; version 1.3 only; version 1.4 only; version 1.5 only; version 1.6 only; …

Published 2008-10-21. Last modified 2026-06-16.