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CVE-2011-1944

Integer overflow in xpath.c in libxml2 2.6.x through 2.6.32 and 2.7.x through 2.7.8, and libxml 1...

9.3 HighPublic exploitFix available

Integer overflow in xpath.c in libxml2 2.6.x through 2.6.32 and 2.7.x through 2.7.8, and libxml 1.8.16 and earlier, allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted XML file that triggers a heap-based buffer overflow when adding a new namespace node, related to handling of XPath expressions.

Exploit likelihood

13.4%Up 1.4 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 9.3

Integer overflow in xpath.c in libxml2 2.6.x through 2.6.32 and 2.7.x through 2.7.8, and libxml 1.8.16 and earlier, allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted XML file that triggers a heap-based buffer overflow when adding a new namespace node, related to handling of XPath expressions.

Record
CVE-2011-1944
CVSS 2.0
9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness
CWE-189
Updated
2026-11-02
CVE List No score

Integer overflow in xpath.c in libxml2 2.6.x through 2.6.32 and 2.7.x through 2.7.8, and libxml 1.8.16 and earlier, allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted XML file that triggers a heap-based buffer overflow when adding a new namespace node, related to handling of XPath expressions.

Record
CVE-2011-1944
Updated
2026-11-02
EUVDEUVD-2011-1941 No score

Integer overflow in xpath.c in libxml2 2.6.x through 2.6.32 and 2.7.x through 2.7.8, and libxml 1.8.16 and earlier, allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted XML file that triggers a heap-based buffer overflow when adding a new namespace node, related to handling of XPath expressions.

Record
EUVD-2011-1941
Updated
2026-11-03
GitHub AdvisoriesGHSA-447f-hj4w-5xch No score

Integer overflow in xpath.c in libxml2 2.6.x through 2.6.32 and 2.7.x through 2.7.8, and libxml 1...

Integer overflow in xpath.c in libxml2 2.6.x through 2.6.32 and 2.7.x through 2.7.8, and libxml 1.8.16 and earlier, allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted XML file that triggers a heap-based buffer overflow when adding a new namespace node, related to handling of XPath expressions.

Record
GHSA-447f-hj4w-5xch
Updated
2026-11-02
OSV No score

Integer overflow in xpath.c in libxml2 2.6.x through 2.6.32 and 2.7.x through 2.7.8, and libxml 1.8.16 and earlier, allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted XML file that triggers a heap-based buffer overflow when adding a new namespace node, related to handling of XPath expressions.

Record
CVE-2011-1944
Updated
2026-11-02
OSVDEBIAN-CVE-2011-1944 No score

Integer overflow in xpath.c in libxml2 2.6.x through 2.6.32 and 2.7.x through 2.7.8, and libxml 1.8.16 and earlier, allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted XML file that triggers a heap-based buffer overflow when adding a new namespace node, related to handling of XPath expressions.

Record
DEBIAN-CVE-2011-1944
Updated
2026-11-02
OSVopenSUSE-SU-2024:10192-1 No score

libxml2-2-2.9.4-1.22 on GA media

These are all security issues fixed in the libxml2-2-2.9.4-1.22 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10192-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
libxml2
Debian:12
 before 2.7.8.dfsg-3
2.7.8.dfsg-3
libxml2
Debian:13
 before 2.7.8.dfsg-3
2.7.8.dfsg-3
libxml2
Debian:14
 before 2.7.8.dfsg-3
2.7.8.dfsg-3
libxml2
Debian:5.0
 before 2.6.32.dfsg-5+lenny4, plus listed versions
2.6.32.dfsg-52.6.32.dfsg-5+lenny12.6.32.dfsg-5+lenny22.6.32.dfsg-5+lenny3
2.6.32.dfsg-5+lenny4
libxml2
Debian:6.0
 before 2.7.8.dfsg-2+squeeze1, plus listed versions
2.7.8.dfsg-2
2.7.8.dfsg-2+squeeze1
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
Show 38 moreShow less
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
libxml2
Red Hat:enterprise_linux:5::client
From an advisory covering 6 CVEs
 before 0:2.6.26-2.1.12.el5_7.2
0:2.6.26-2.1.12.el5_7.2
libxml2-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 6 CVEs
 before 0:2.6.26-2.1.12.el5_7.2
0:2.6.26-2.1.12.el5_7.2
libxml2-python
Red Hat:enterprise_linux:5::client
From an advisory covering 6 CVEs
 before 0:2.6.26-2.1.12.el5_7.2
0:2.6.26-2.1.12.el5_7.2
libxml2
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 6 CVEs
 before 0:2.6.26-2.1.12.el5_7.2
0:2.6.26-2.1.12.el5_7.2
libxml2-debuginfo
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 6 CVEs
 before 0:2.6.26-2.1.12.el5_7.2
0:2.6.26-2.1.12.el5_7.2
libxml2-devel
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 6 CVEs
 before 0:2.6.26-2.1.12.el5_7.2
0:2.6.26-2.1.12.el5_7.2
libxml2
Red Hat:enterprise_linux:5::server
From an advisory covering 6 CVEs
 before 0:2.6.26-2.1.12.el5_7.2
0:2.6.26-2.1.12.el5_7.2
libxml2-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 6 CVEs
 before 0:2.6.26-2.1.12.el5_7.2
0:2.6.26-2.1.12.el5_7.2
libxml2-devel
Red Hat:enterprise_linux:5::server
From an advisory covering 6 CVEs
 before 0:2.6.26-2.1.12.el5_7.2
0:2.6.26-2.1.12.el5_7.2
libxml2-python
Red Hat:enterprise_linux:5::server
From an advisory covering 6 CVEs
 before 0:2.6.26-2.1.12.el5_7.2
0:2.6.26-2.1.12.el5_7.2
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
libxml2
openSUSE:Tumbleweed
From an advisory covering 32 CVEs
 before 2.9.4-1.22
2.9.4-1.22

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBlibxmlInvalid 2.7.x - XPath Multiple Memory Corruption Vulnerabilities2011-05-31

History

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

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

In short

CVE-2011-1944 is a high vulnerability (CVSS 9.3) in Xmlsoft Libxml, published June 6, 2011. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 13.4%, the 96th percentile. Fixed in libxml2 2.7.8.dfsg-3.

References

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