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CVE-2011-2821

Double free vulnerability in libxml2, as used in Google Chrome before 13.0.782.215, allows remote...

7.5 HighFix available

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.

Exploit likelihood

1.69%Down 2.1 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used7.5

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.

Record
CVE-2011-2821
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-415
Updated
2026-11-02
CVE ListNo score

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.

Record
CVE-2011-2821
Updated
2026-11-02
EUVDEUVD-2011-2795No score

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.

Record
EUVD-2011-2795
Updated
2026-11-03
GitHub AdvisoriesGHSA-mx3h-88ww-4mqqNo score

Double free vulnerability in libxml2, as used in Google Chrome before 13.0.782.215, allows remote...

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.

Record
GHSA-mx3h-88ww-4mqq
Weakness
CWE-415
Updated
2026-11-02
OSVNo score

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.

Record
CVE-2011-2821
Updated
2026-11-02
OSVDEBIAN-CVE-2011-2821No score

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.

Record
DEBIAN-CVE-2011-2821
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
libxml2
Debian:12
before 2.7.8.dfsg-5
2.7.8.dfsg-5
libxml2
Debian:13
before 2.7.8.dfsg-5
2.7.8.dfsg-5
libxml2
Debian:14
before 2.7.8.dfsg-5
2.7.8.dfsg-5
libxml2
Debian:6.0
From an advisory covering 5 CVEs
before 2.7.8.dfsg-2+squeeze2, plus listed versions
2.7.8.dfsg-22.7.8.dfsg-2+squeeze1
2.7.8.dfsg-2+squeeze2
libxml2
Debian:5.0
From an advisory covering 5 CVEs
before 2.6.32.dfsg-5+lenny5, plus listed versions
2.6.32.dfsg-52.6.32.dfsg-5+lenny12.6.32.dfsg-5+lenny22.6.32.dfsg-5+lenny32.6.32.dfsg-5+lenny4
2.6.32.dfsg-5+lenny5
libxml2
Red Hat:enterprise_linux:6::client
From an advisory covering 6 CVEs
before 0:2.7.6-4.el6
0:2.7.6-4.el6
libxml2-debuginfo
Red Hat:enterprise_linux:6::client
From an advisory covering 6 CVEs
before 0:2.7.6-4.el6
0:2.7.6-4.el6
libxml2-devel
Red Hat:enterprise_linux:6::client
From an advisory covering 6 CVEs
before 0:2.7.6-4.el6
0:2.7.6-4.el6
libxml2-static
Red Hat:enterprise_linux:6::client
From an advisory covering 6 CVEs
before 0:2.7.6-4.el6
0:2.7.6-4.el6
libxml2-python
Red Hat:enterprise_linux:6::client
From an advisory covering 6 CVEs
before 0:2.7.6-4.el6
0:2.7.6-4.el6
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Affected packages
PackageAffectedFixed
libxml2
Red Hat:enterprise_linux:6::computenode
From an advisory covering 6 CVEs
before 0:2.7.6-4.el6
0:2.7.6-4.el6
libxml2-debuginfo
Red Hat:enterprise_linux:6::computenode
From an advisory covering 6 CVEs
before 0:2.7.6-4.el6
0:2.7.6-4.el6
libxml2-devel
Red Hat:enterprise_linux:6::computenode
From an advisory covering 6 CVEs
before 0:2.7.6-4.el6
0:2.7.6-4.el6
libxml2-static
Red Hat:enterprise_linux:6::computenode
From an advisory covering 6 CVEs
before 0:2.7.6-4.el6
0:2.7.6-4.el6
libxml2-python
Red Hat:enterprise_linux:6::computenode
From an advisory covering 6 CVEs
before 0:2.7.6-4.el6
0:2.7.6-4.el6
libxml2
Red Hat:enterprise_linux:6::server
From an advisory covering 6 CVEs
before 0:2.7.6-4.el6
0:2.7.6-4.el6
libxml2-debuginfo
Red Hat:enterprise_linux:6::server
From an advisory covering 6 CVEs
before 0:2.7.6-4.el6
0:2.7.6-4.el6
libxml2-static
Red Hat:enterprise_linux:6::server
From an advisory covering 6 CVEs
before 0:2.7.6-4.el6
0:2.7.6-4.el6
libxml2-devel
Red Hat:enterprise_linux:6::server
From an advisory covering 6 CVEs
before 0:2.7.6-4.el6
0:2.7.6-4.el6
libxml2-python
Red Hat:enterprise_linux:6::server
From an advisory covering 6 CVEs
before 0:2.7.6-4.el6
0:2.7.6-4.el6
libxml2
Red Hat:enterprise_linux:6::workstation
From an advisory covering 6 CVEs
before 0:2.7.6-4.el6
0:2.7.6-4.el6
libxml2-debuginfo
Red Hat:enterprise_linux:6::workstation
From an advisory covering 6 CVEs
before 0:2.7.6-4.el6
0:2.7.6-4.el6
libxml2-static
Red Hat:enterprise_linux:6::workstation
From an advisory covering 6 CVEs
before 0:2.7.6-4.el6
0:2.7.6-4.el6
libxml2-devel
Red Hat:enterprise_linux:6::workstation
From an advisory covering 6 CVEs
before 0:2.7.6-4.el6
0:2.7.6-4.el6
libxml2-python
Red Hat:enterprise_linux:6::workstation
From an advisory covering 6 CVEs
before 0:2.7.6-4.el6
0:2.7.6-4.el6
mingw32-libxml2
Red Hat:enterprise_linux:6::client
From an advisory covering 11 CVEs
before 0:2.7.6-6.el6_3
0:2.7.6-6.el6_3
mingw32-libxml2-debuginfo
Red Hat:enterprise_linux:6::client
From an advisory covering 11 CVEs
before 0:2.7.6-6.el6_3
0:2.7.6-6.el6_3
mingw32-libxml2-static
Red Hat:enterprise_linux:6::client
From an advisory covering 11 CVEs
before 0:2.7.6-6.el6_3
0:2.7.6-6.el6_3
mingw32-libxml2
Red Hat:enterprise_linux:6::computenode
From an advisory covering 11 CVEs
before 0:2.7.6-6.el6_3
0:2.7.6-6.el6_3
mingw32-libxml2-debuginfo
Red Hat:enterprise_linux:6::computenode
From an advisory covering 11 CVEs
before 0:2.7.6-6.el6_3
0:2.7.6-6.el6_3
mingw32-libxml2-static
Red Hat:enterprise_linux:6::computenode
From an advisory covering 11 CVEs
before 0:2.7.6-6.el6_3
0:2.7.6-6.el6_3
mingw32-libxml2
Red Hat:enterprise_linux:6::server
From an advisory covering 11 CVEs
before 0:2.7.6-6.el6_3
0:2.7.6-6.el6_3
mingw32-libxml2-debuginfo
Red Hat:enterprise_linux:6::server
From an advisory covering 11 CVEs
before 0:2.7.6-6.el6_3
0:2.7.6-6.el6_3
mingw32-libxml2-static
Red Hat:enterprise_linux:6::server
From an advisory covering 11 CVEs
before 0:2.7.6-6.el6_3
0:2.7.6-6.el6_3
mingw32-libxml2
Red Hat:enterprise_linux:6::workstation
From an advisory covering 11 CVEs
before 0:2.7.6-6.el6_3
0:2.7.6-6.el6_3
mingw32-libxml2-debuginfo
Red Hat:enterprise_linux:6::workstation
From an advisory covering 11 CVEs
before 0:2.7.6-6.el6_3
0:2.7.6-6.el6_3
mingw32-libxml2-static
Red Hat:enterprise_linux:6::workstation
From an advisory covering 11 CVEs
before 0:2.7.6-6.el6_3
0:2.7.6-6.el6_3

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2011-2821 is a high vulnerability (CVSS 7.5) in Google Chrome, published August 29, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.69%, the 77th percentile. Fixed in libxml2 2.7.8.dfsg-5.

References

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