Bug 735712 (CVE-2011-2821)

Summary: CVE-2011-2821 libxml2: double free caused by malformed XPath expression in XSLT
Product: [Other] Security Response Reporter: Huzaifa S. Sidhpurwala <huzaifas>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: fweimer, jrusnack, ohudlick, veillard
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2014-10-13 11:19:27 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 710397, 735715, 891477, 891478    
Bug Blocks: 891480    

Description Huzaifa S. Sidhpurwala 2011-09-05 06:52:52 UTC
Common Vulnerabilities and Exposures assigned an identifier CVE-2011-2821 to the following vulnerability.

Name: CVE-2011-2821
URL: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2821
Reference: CONFIRM:http://code.google.com/p/chromium/issues/detail?id=89402 
Reference: CONFIRM:http://googlechromereleases.blogspot.com/2011/08/stable-channel-update_22.html 

Double free vulnerability in libxml2, as used in Google Chrome before
13.0.782.215, allows remote attackers to cause a denial of service or
possibly have unspecified other impact via a crafted XPath expression.

Comment 1 Huzaifa S. Sidhpurwala 2011-09-05 06:54:46 UTC
Upstream patch:
http://git.gnome.org/browse/libxml2/commit/?id=f5048b3e71fc30ad096970b8df6e7af073bae4cb

Comment 3 Huzaifa S. Sidhpurwala 2011-09-05 07:10:02 UTC
Created libxml2 tracking bugs for this issue

Affects: fedora-all [bug 735715]

Comment 5 errata-xmlrpc 2011-12-06 18:55:37 UTC
This issue has been addressed in following products:

  Red Hat Enterprise Linux 6

Via RHSA-2011:1749 https://rhn.redhat.com/errata/RHSA-2011-1749.html

Comment 13 Huzaifa S. Sidhpurwala 2012-01-06 11:29:55 UTC
Statement:

This issue does not affect the version of libxml2 package as shipped with Red Hat Enterprise Linux 4 and 5.

Comment 16 errata-xmlrpc 2013-01-31 19:33:01 UTC
This issue has been addressed in following products:

  Red Hat Enterprise Linux 6

Via RHSA-2013:0217 https://rhn.redhat.com/errata/RHSA-2013-0217.html