CVE-2004-0970: GNU Gzip

Low severity, CVSS 2.1. EPSS: 0.4% chance of exploitation in the next 30 days.

The (1) gzexe, (2) zdiff, and (3) znew scripts in the gzip package, as used by other packages such as ncompress, allows local users to overwrite files via a symlink attack on temporary files. NOTE: the znew vulnerability may overlap CVE-2003-0367.

Affected products

• GNU Gzip: version 1.2.4a only

Published 2005-02-09. Last modified 2026-06-16.