CVE-2005-1228: GNU Gzip

Medium severity, CVSS 5.0. EPSS: 3.6% chance of exploitation in the next 30 days.

Directory traversal vulnerability in gunzip -N in gzip 1.2.4 through 1.3.5 allows remote attackers to write to arbitrary directories via a .. (dot dot) in the original filename within a compressed file.

Affected products

• GNU Gzip: version 1.2.4 only; version 1.3.3 only

Published 2005-05-02. Last modified 2026-06-16.