CVE-2011-2821: Double Free
First published: Mon Aug 29 2011(Updated: )
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.
Credit: cve-coordination@google.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Google Chrome | <13.0.782.215 | |
| Debian Linux | =5.0 | |
| Debian Linux | =7.0 | |
| Debian Linux | =6.0 | |
| Red Hat Enterprise Linux Desktop | =6.0 | |
| Red Hat Enterprise Linux Server | =6.0 | |
| Red Hat Enterprise Linux Workstation | =6.0 | |
| Red Hat Enterprise Linux Server EUS | =6.3 | |
| iPhone OS | <6.0 | |
| Apple iOS and macOS | <10.7.4 |
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Reference Links
- http://googlechromereleases.blogspot.com/2011/08/stable-channel-update_22.html
- http://code.google.com/p/chromium/issues/detail?id=89402
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:145
- http://www.redhat.com/support/errata/RHSA-2011-1749.html
- http://support.apple.com/kb/HT5281
- http://lists.apple.com/archives/security-announce/2012/May/msg00001.html
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041
- http://lists.apple.com/archives/security-announce/2012/Sep/msg00003.html
- http://support.apple.com/kb/HT5503
- http://www.debian.org/security/2012/dsa-2394
- http://rhn.redhat.com/errata/RHSA-2013-0217.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13840
Frequently Asked Questions
What is the severity of CVE-2011-2821?
CVE-2011-2821 is considered to have a high severity as it can lead to a denial of service and potential exploitation.
How do I fix CVE-2011-2821?
To fix CVE-2011-2821, update Google Chrome to version 13.0.782.215 or later.
Which platforms are affected by CVE-2011-2821?
CVE-2011-2821 affects Google Chrome versions before 13.0.782.215, various Debian versions, and Red Hat Enterprise Linux 6.0.
What type of vulnerability is CVE-2011-2821?
CVE-2011-2821 is classified as a double free vulnerability in the libxml2 library.
Can CVE-2011-2821 be exploited remotely?
Yes, CVE-2011-2821 can be exploited remotely by attackers using a crafted XPath expression.
- agent/references
- agent/type
- agent/severity
- agent/author
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/first-publish-date
- agent/event
- agent/description
- agent/weakness
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-historical
- agent/software-canonical-lookup-request
- collector/nvd-index
- vendor/google
- canonical/google chrome
- vendor/debian
- canonical/debian linux
- version/debian linux/5.0
- version/debian linux/7.0
- version/debian linux/6.0
- vendor/redhat
- canonical/red hat enterprise linux desktop
- version/red hat enterprise linux desktop/6.0
- canonical/red hat enterprise linux server
- version/red hat enterprise linux server/6.0
- canonical/red hat enterprise linux workstation
- version/red hat enterprise linux workstation/6.0
- canonical/red hat enterprise linux server eus
- version/red hat enterprise linux server eus/6.3
- vendor/apple
- canonical/iphone os
- canonical/apple ios and macos