CVE catalog

CVE-2006-4338

gzip: CVE-2006-4338

Severity: High
Published: Sep 19, 2006, 2:25:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 3.90% · Oct 25, 2026

unlzh.c in the LHZ component in gzip 1.3.5 allows context-dependent attackers to cause a denial of service (infinite loop) via a crafted GZIP archive.

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	`1.3.5-15`	medium	Not reported	Not reported
Debian	gzip	source	forky	`1.3.5-15`	medium	Not reported	Not reported
Debian	gzip	source	trixie	`1.3.5-15`	medium	Not reported	Not reported
Debian	gzip	source	bookworm	`1.3.5-15`	medium	Not reported	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[gzip]Fixed
Details (2)
- 1.12-1 · amd64 · bookworm
  Fixed · Fixed: 1.3.5-15
  dsa · gzip · debian · bookworm; dsa · gzip · debian · 12
- 1.12-1 · arm64 · bookworm
  Fixed · Fixed: 1.3.5-15
  dsa · gzip · debian · bookworm; dsa · gzip · debian · 12
[gzip-win32]Fixed
Source package: [gzip]
Details (2)
- 1.12-1 · all · bookworm
  Fixed · Fixed: 1.3.5-15
  dsa · gzip · debian · bookworm; dsa · gzip · debian · 12
- 1.12-1 · all · bookworm
  Fixed · Fixed: 1.3.5-15
  dsa · gzip · debian · bookworm; dsa · gzip · debian · 12

[Debian 13 (Trixie)]

[gzip]Fixed
Details (2)
- 1.13-1 · amd64 · trixie
  Fixed · Fixed: 1.3.5-15
  dsa · gzip · debian · 13
- 1.13-1 · arm64 · trixie
  Fixed · Fixed: 1.3.5-15
  dsa · gzip · debian · 13

Observed: Oct 23, 2026, 5:03:10 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]