Buffer overflow in the X render (Xrender) extension in X.org...

Vulnerability Description

Buffer 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.

References

• http://www.redhat.com/support/errata/RHSA-2006-0451.html
• http://secunia.com/advisories/19921
• http://secunia.com/advisories/19943
• https://exchange.xforce.ibmcloud.com/vulnerabilities/26200
• http://secunia.com/advisories/19956
• http://www.mandriva.com/security/advisories?name=MDKSA-2006:081
• http://www.vupen.com/english/advisories/2006/1617
• http://secunia.com/advisories/19951
• http://www.novell.com/linux/security/advisories/2006_05_03.html
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9929
• http://www.securityfocus.com/bid/17795
• http://sunsolve.sun.com/search/document.do?assetkey=1-26-102339-1
• http://www.kb.cert.org/vuls/id/633257
• http://securitytracker.com/id?1016018
• http://www.gentoo.org/security/en/glsa/glsa-200605-02.xml
• http://secunia.com/advisories/19983
• http://www.openbsd.org/errata38.html#xorg
• http://www.trustix.org/errata/2006/0024
• https://bugs.freedesktop.org/show_bug.cgi?id=6642
• http://secunia.com/advisories/19900
• https://usn.ubuntu.com/280-1/
• http://www.securityfocus.com/archive/1/436327/100/0/threaded
• http://secunia.com/advisories/19915
• http://lists.freedesktop.org/archives/xorg/2006-May/015136.html
• http://secunia.com/advisories/19916