National Vulnerability Database

National Vulnerability Database

National Vulnerability

CVE-2006-4338 Detail


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.

Source:  MITRE      Last Modified:  09/19/2006

Quick Info

CVE Dictionary Entry:
Original release date:
Last revised:


CVSS Severity (version 2.0):
CVSS v2 Base Score:
(AV:N/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore:
Exploitability Subscore:
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Not required to exploit
Impact Type:
Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (03/14/2007)

Red Hat is aware of this issue and is tracking it via the following bug: The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw. Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to

Hyperlink Resource Type Source Name External Source SGI 20061001-01-P External Source MISC External Source CONFIRM External Source APPLE APPLE-SA-2006-11-28 External Source FREEBSD FreeBSD-SA-06:21 External Source GENTOO GLSA-200609-13 External Source SECTRACK 1016883 Patch External Source SLACKWARE SSA:2006-262 External Source SUNALERT 102766 External Source CONFIRM External Source GENTOO GLSA-200611-24 External Source MANDRIVA MDKSA-2006:167 External Source SUSE SUSE-SA:2006:056 External Source OPENPKG OpenPKG-SA-2006.020 External Source REDHAT RHSA-2006:0667 External Source BUGTRAQ 20060919 rPSA-2006-0170-1 gzip External Source HP SSRT061237 External Source FEDORA FLSA:211760 External Source HP HPSBUX02195 External Source BUGTRAQ 20070330 VMSA-2007-0002 VMware ESX security updates External Source BID 20101 External Source TRUSTIX 2006-0052 External Source UBUNTU USN-349-1 External Source DEBIAN DSA-1181 US Government Resource External Source CERT TA06-333A External Source CONFIRM External Source VUPEN ADV-2006-3695 External Source VUPEN ADV-2006-4275 External Source VUPEN ADV-2006-4750 External Source VUPEN ADV-2006-4760 External Source VUPEN ADV-2007-0092 External Source VUPEN ADV-2007-0832 External Source VUPEN ADV-2007-1171 External Source XF gzip-lhz-dos(29046) External Source CONFIRM External Source OVAL oval:org.mitre.oval:def:11290

References to Check Content

Check System:

Technical Details

Vulnerability Type (View All)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History 4 change records found - show changes