CVE-2006-1526

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Summary

CVECVE-2006-1526
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2006-05-02 21:06:00 UTC
Updated2025-04-03 01:03:51 UTC
DescriptionBuffer overflow in the X render (Xrender) extension in X.org X server 6.8.0 up to allows attackers to cause a denial of service (crash), as demonstrated by the (1) XRenderCompositeTriStrip and (2) XRenderCompositeTriFan requests in the rendertest from XCB xcb/xcb-demo, which leads to an incorrect memory allocation due to a typo in an expression that uses a "&" instead of a "*" operator. NOTE: the subject line of the original announcement used an incorrect CVE number for this issue.

Risk And Classification

Primary CVSS: v2.0 2.1 from [email protected]

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

EPSS: 0.004430000 probability, percentile 0.633270000 (date 2026-04-20)

Problem Types: NVD-CWE-Other | n/a

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application X.org X11r6 6.7.0 All All All
Application X.org X11r6 6.8 All All All
Application X.org X11r6 6.8.1 All All All
Application X.org X11r6 6.9 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Advisories - Mandriva Linux af854a3a-2127-422b-91ae-364da2661108 www.mandriva.com
www.trustix.org/errata/2006/0024 af854a3a-2127-422b-91ae-364da2661108 www.trustix.org
Support af854a3a-2127-422b-91ae-364da2661108 www.redhat.com Patch, Vendor Advisory
Secunia - Advisories - SUSE update for xorg-x11-server af854a3a-2127-422b-91ae-364da2661108 secunia.com Patch, Vendor Advisory
Gentoo Linux Documentation -- X.Org: Buffer overflow in XRender extension af854a3a-2127-422b-91ae-364da2661108 www.gentoo.org Patch, Vendor Advisory
X.Org XRender Extension Buffer Overflow Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
SecurityFocus af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
[CVE-2006-1525] X.Org security advisory: Buffer overflow in the Xrender extension af854a3a-2127-422b-91ae-364da2661108 lists.freedesktop.org Patch
SecurityTracker.com Archives - X Server Buffer Overflow Render Extension Lets Remote Users Execute Arbitrary Code af854a3a-2127-422b-91ae-364da2661108 securitytracker.com
Webmail - OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
OpenBSD update for x.org - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Patch, Vendor Advisory
USN-280-1: X.org server vulnerability | Ubuntu security notices af854a3a-2127-422b-91ae-364da2661108 usn.ubuntu.com
Sun Solaris update for Xorg X Server - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
Security Announcement af854a3a-2127-422b-91ae-364da2661108 www.novell.com Patch, Vendor Advisory
Red Hat update for xorg-x11 - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Patch, Vendor Advisory
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org
Secunia - Advisories - X.Org X11 Render Extension Buffer Overflow Vulnerability af854a3a-2127-422b-91ae-364da2661108 secunia.com Patch, Vendor Advisory
#102339: Security Vulnerability in the Xorg(1) Version of the Render Extension af854a3a-2127-422b-91ae-364da2661108 sunsolve.sun.com
OpenBSD 3.8 errata af854a3a-2127-422b-91ae-364da2661108 www.openbsd.org
Bug 6642 – XCB rendertest crashes server af854a3a-2127-422b-91ae-364da2661108 bugs.freedesktop.org
Secunia - Advisories - Ubuntu update for xserver-xorg af854a3a-2127-422b-91ae-364da2661108 secunia.com Patch, Vendor Advisory
Gentoo update for xorg-x11 - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Patch, Vendor Advisory
Mandriva update for xorg-x11 - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Patch, Vendor Advisory
US-CERT Vulnerability Note VU#633257 af854a3a-2127-422b-91ae-364da2661108 www.kb.cert.org US Government Resource
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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