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CVE-2006-4338

16
FAUCET Score

CVE-2006-4338 describes a denial-of-service vulnerability in gzip version 1.3.5, specifically within its LHZ component (unlzh.c). An unauthenticated, remote attacker can trigger an infinite loop by providing a specially crafted GZIP archive, leading to system unavailability. This vulnerability has a CVSS score of 5.0, indicating a medium severity with low attack complexity and no authentication required, but only impacts availability. There is no evidence of active exploitation, nor are there known public exploits or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.3.5CPE matchmatch criteria
cpe:2.3:a:gzip:gzip:1.3.5:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.61%
Probability of exploitation in next 30 days
EPSS Percentile
88.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0361 is in the 84th percentile among its peer group of 23,690 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: gzip-0:1.3.3-13.rhel3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: gzip-0:1.3.3-16.rhel4
View patch

Vendor Advisories (1)

redhatCVE-2006-4338Low

security flaw

Sep 19, 2006

References

patches.sgi.com / support/free/security/advisories/20061001-01-P.asc
bugzilla.redhat.com / bugzilla/show_bug.cgi
docs.info.apple.com / article.html
lists.apple.com / archives/security-announce/2006/Nov/msg00001.html
secunia.com / advisories/21996
secunia.com / advisories/22002
PatchVendor Advisory
secunia.com / advisories/22009
PatchVendor Advisory
secunia.com / advisories/22012
PatchVendor Advisory
secunia.com / advisories/22017
PatchVendor Advisory
secunia.com / advisories/22027
secunia.com / advisories/22033
PatchVendor Advisory
secunia.com / advisories/22034
PatchVendor Advisory
secunia.com / advisories/22043
PatchVendor Advisory
secunia.com / advisories/22085
secunia.com / advisories/22101
secunia.com / advisories/22435
secunia.com / advisories/22487
secunia.com / advisories/22661
secunia.com / advisories/23153
secunia.com / advisories/23155
secunia.com / advisories/23156
secunia.com / advisories/23679
secunia.com / advisories/24435
secunia.com / advisories/24636
security.freebsd.org / advisories/FreeBSD-SA-06:21.gzip.asc
security.gentoo.org / glsa/glsa-200609-13.xml
securitytracker.com / id
exchange.xforce.ibmcloud.com / vulnerabilities/29046
issues.rpath.com / browse/RPL-615
slackware.com / security/viewer.php
Patch
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11290
sunsolve.sun.com / search/document.do
support.avaya.com / elmodocs2/security/ASA-2006-218.htm
gentoo.org / security/en/glsa/glsa-200611-24.xml
mandriva.com / security/advisories
novell.com / linux/security/advisories/2006_56_gzip.html
openpkg.org / security/advisories/OpenPKG-SA-2006.020-gzip.html
osvdb.org / 29008
redhat.com / support/errata/RHSA-2006-0667.html
securityfocus.com / archive/1/446426/100/0/threaded
securityfocus.com / archive/1/450078/100/0/threaded
securityfocus.com / archive/1/451324/100/0/threaded
securityfocus.com / archive/1/462007/100/0/threaded
securityfocus.com / archive/1/464268/100/0/threaded
securityfocus.com / bid/20101
trustix.org / errata/2006/0052
ubuntu.com / usn/usn-349-1
us-cert.gov / cas/techalerts/TA06-333A.html
US Government Resource
us.debian.org / security/2006/dsa-1181
vmware.com / support/esx25/doc/esx-254-200702-patch.html
vupen.com / english/advisories/2006/3695
vupen.com / english/advisories/2006/4275
vupen.com / english/advisories/2006/4750
vupen.com / english/advisories/2006/4760
vupen.com / english/advisories/2007/0092
vupen.com / english/advisories/2007/0832
vupen.com / english/advisories/2007/1171