CVE-2006-4338

unlzh.c in the LHZ component in gzip 1.3.5 allows context-dependent attackers to cause a denial...

5.0 MediumFix available

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.

Exploit likelihood

3.90%Up 1.2 points since Feb 4, 2022

What each source reports

NVD Score used 5.0

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.

Record: CVE-2006-4338
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Updated: 2026-11-02

CVE List No score

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.

Record: CVE-2006-4338
Updated: 2026-11-02

EUVDEUVD-2006-4326 No score

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.

Record: EUVD-2006-4326
Updated: 2026-11-03

GitHub AdvisoriesGHSA-pr85-6mjj-rj93 No score

unlzh.c in the LHZ component in gzip 1.3.5 allows context-dependent attackers to cause a denial...

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.

Record: GHSA-pr85-6mjj-rj93
Updated: 2026-11-02

OSV No score

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.

Record: CVE-2006-4338
Updated: 2026-11-02

OSVDEBIAN-CVE-2006-4338 No score

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.

Record: DEBIAN-CVE-2006-4338
Updated: 2026-11-02

OSVopenSUSE-SU-2024:10440-1 No score

timidity-2.14.0-3.10 on GA media

These are all security issues fixed in the timidity-2.14.0-3.10 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2024:10440-1
Updated: 2026-11-02

Affected products

gzip

Affected packages

Affected packages
Package	Affected	Fixed
`gzip` Debian:12	before 1.3.5-15	1.3.5-15
`gzip` Debian:13	before 1.3.5-15	1.3.5-15
`gzip` Debian:14	before 1.3.5-15	1.3.5-15
`gzip` Debian:3.1	before 1.3.5-10sarge2, plus listed versions 1.3.5-101.3.5-10sarge1	1.3.5-10sarge2
`gzip` Red Hat:enterprise_linux:3::as	before 0:1.3.3-13.rhel3	0:1.3.3-13.rhel3
`gzip-debuginfo` Red Hat:enterprise_linux:3::as	before 0:1.3.3-13.rhel3	0:1.3.3-13.rhel3
`gzip` Red Hat:enterprise_linux:3::desktop	before 0:1.3.3-13.rhel3	0:1.3.3-13.rhel3
`gzip-debuginfo` Red Hat:enterprise_linux:3::desktop	before 0:1.3.3-13.rhel3	0:1.3.3-13.rhel3
`gzip` Red Hat:enterprise_linux:3::es	before 0:1.3.3-13.rhel3	0:1.3.3-13.rhel3
`gzip-debuginfo` Red Hat:enterprise_linux:3::es	before 0:1.3.3-13.rhel3	0:1.3.3-13.rhel3

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Affected packages
Package	Affected	Fixed
`gzip` Red Hat:enterprise_linux:3::ws	before 0:1.3.3-13.rhel3	0:1.3.3-13.rhel3
`gzip-debuginfo` Red Hat:enterprise_linux:3::ws	before 0:1.3.3-13.rhel3	0:1.3.3-13.rhel3
`gzip` Red Hat:enterprise_linux:4::as	before 0:1.3.3-16.rhel4	0:1.3.3-16.rhel4
`gzip-debuginfo` Red Hat:enterprise_linux:4::as	before 0:1.3.3-16.rhel4	0:1.3.3-16.rhel4
`gzip` Red Hat:enterprise_linux:4::desktop	before 0:1.3.3-16.rhel4	0:1.3.3-16.rhel4
`gzip-debuginfo` Red Hat:enterprise_linux:4::desktop	before 0:1.3.3-16.rhel4	0:1.3.3-16.rhel4
`gzip` Red Hat:enterprise_linux:4::es	before 0:1.3.3-16.rhel4	0:1.3.3-16.rhel4
`gzip-debuginfo` Red Hat:enterprise_linux:4::es	before 0:1.3.3-16.rhel4	0:1.3.3-16.rhel4
`gzip` Red Hat:enterprise_linux:4::ws	before 0:1.3.3-16.rhel4	0:1.3.3-16.rhel4
`gzip-debuginfo` Red Hat:enterprise_linux:4::ws	before 0:1.3.3-16.rhel4	0:1.3.3-16.rhel4
`timidity` openSUSE:Tumbleweed	before 2.14.0-3.10	2.14.0-3.10

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2006-4338 is a medium vulnerability (CVSS 5.0) in Gzip, published September 19, 2006. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.90%, the 90th percentile. Fixed in gzip 1.3.5-15.

References

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