CVE catalog

CVE-2004-0970

gzip: CVE-2004-0970

Severity: High
Published: Nov 8, 2004, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.36% · Oct 25, 2026

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.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	gzip	sid	`1.14-1`	fixed
Debian	gzip	forky	`1.14-1`	fixed
Debian	gzip	trixie	`1.13-1+deb13u1`	fixed
Debian	gzip	bookworm	`1.12-1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	gzip	source	sid	`1.3.5-8`	medium	Not reported	[259043]
Debian	gzip	source	forky	`1.3.5-8`	medium	Not reported	[259043]
Debian	gzip	source	trixie	`1.3.5-8`	medium	Not reported	[259043]
Debian	gzip	source	bookworm	`1.3.5-8`	medium	Not reported	[259043]

[Debian bug #259043]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[gzip]Fixed
Details (2)
- 1.12-1 · amd64 · bookworm
  Fixed · Fixed: 1.3.5-8
  dsa · gzip · debian · bookworm; dsa · gzip · debian · 12
- 1.12-1 · arm64 · bookworm
  Fixed · Fixed: 1.3.5-8
  dsa · gzip · debian · bookworm; dsa · gzip · debian · 12
[gzip-win32]Fixed
Source package: [gzip]
Details (2)
- 1.12-1 · all · bookworm
  Fixed · Fixed: 1.3.5-8
  dsa · gzip · debian · bookworm; dsa · gzip · debian · 12
- 1.12-1 · all · bookworm
  Fixed · Fixed: 1.3.5-8
  dsa · gzip · debian · bookworm; dsa · gzip · debian · 12

[Debian 13 (Trixie)]

[gzip]Fixed
Details (2)
- 1.13-1 · amd64 · trixie
  Fixed · Fixed: 1.3.5-8
  dsa · gzip · debian · 13
- 1.13-1 · arm64 · trixie
  Fixed · Fixed: 1.3.5-8
  dsa · gzip · debian · 13

Observed: Oct 23, 2026, 5:02:25 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database]