Vulnerability Details : CVE-2011-2821
Potential exploit
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.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2011-2821
- cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_eus:6.3:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
- cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2011-2821
1.92%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 82 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2011-2821
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST |
CWE ids for CVE-2011-2821
-
The product calls free() twice on the same memory address.Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-2821
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http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041
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http://support.apple.com/kb/HT5503
About the security content of iOS 6 - Apple Support
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http://www.debian.org/security/2012/dsa-2394
Debian -- Security Information -- DSA-2394-1 libxml2
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http://lists.apple.com/archives/security-announce/2012/May/msg00001.html
Apple - Lists.apple.com
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http://support.apple.com/kb/HT5281
About the security content of OS X Lion v10.7.4 and Security Update 2012-002 - Apple Support
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http://googlechromereleases.blogspot.com/2011/08/stable-channel-update_22.html
Chrome Releases: Stable Channel Update
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https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13840
Repository / Oval Repository
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http://www.redhat.com/support/errata/RHSA-2011-1749.html
Support
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http://www.mandriva.com/security/advisories?name=MDVSA-2011:145
mandriva.com
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http://code.google.com/p/chromium/issues/detail?id=89402
89402 - Memory corruption (double free) caused by malformed XPath expression in XSLT - chromium - Monorail
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http://rhn.redhat.com/errata/RHSA-2013-0217.html
RHSA-2013:0217 - Security Advisory - Red Hat Customer Portal
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http://lists.apple.com/archives/security-announce/2012/Sep/msg00003.html
Apple - Lists.apple.com
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