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CVE-2012-5134

Heap-based buffer underflow in the xmlParseAttValueComplex function in parser.c in libxml2 2.9.0...

6.8 MediumFix available

CVE-2012-5134 is a medium vulnerability (CVSS 6.8) in Google Chrome, published November 28, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.38%, the 91st percentile. Fixed in libxml2 2.8.0+dfsg1-7.

What does this mean?
Severity
6.8 MediumCVSS 2.0, NVD
Exploit chance
4.38%EPSS, 91st percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
2.8.0+dfsg1-7libxml2 +49 more

Description

Heap-based buffer underflow in the xmlParseAttValueComplex function in parser.c in libxml2 2.9.0 and earlier, as used in Google Chrome before 23.0.1271.91 and other products, allows remote attackers to cause a denial of service or possibly execute arbitrary code via crafted entities in an XML document.

Exploit likelihood

4.38%Down 0.6 points since Feb 4, 2022
90%50%10%1%

Affected products

Affected packages

Affected packages
PackageAffectedFixed
libxml2
Debian:12
before 2.8.0+dfsg1-7
2.8.0+dfsg1-7
libxml2
Debian:13
before 2.8.0+dfsg1-7
2.8.0+dfsg1-7
libxml2
Debian:14
before 2.8.0+dfsg1-7
2.8.0+dfsg1-7
libxml2
Debian:6.0
before 2.7.8.dfsg-2+squeeze6, plus listed versions
2.7.8.dfsg-22.7.8.dfsg-2+squeeze12.7.8.dfsg-2+squeeze22.7.8.dfsg-2+squeeze32.7.8.dfsg-2+squeeze42.7.8.dfsg-2+squeeze5
2.7.8.dfsg-2+squeeze6
libxml2
Red Hat:enterprise_linux:5::client
before 0:2.6.26-2.1.15.el5_8.6
0:2.6.26-2.1.15.el5_8.6
libxml2-debuginfo
Red Hat:enterprise_linux:5::client
before 0:2.6.26-2.1.15.el5_8.6
0:2.6.26-2.1.15.el5_8.6
libxml2-python
Red Hat:enterprise_linux:5::client
before 0:2.6.26-2.1.15.el5_8.6
0:2.6.26-2.1.15.el5_8.6
libxml2
Red Hat:enterprise_linux:5::client_workstation
before 0:2.6.26-2.1.15.el5_8.6
0:2.6.26-2.1.15.el5_8.6
libxml2-debuginfo
Red Hat:enterprise_linux:5::client_workstation
before 0:2.6.26-2.1.15.el5_8.6
0:2.6.26-2.1.15.el5_8.6
libxml2-devel
Red Hat:enterprise_linux:5::client_workstation
before 0:2.6.26-2.1.15.el5_8.6
0:2.6.26-2.1.15.el5_8.6
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Affected packages
PackageAffectedFixed
libxml2
Red Hat:enterprise_linux:5::server
before 0:2.6.26-2.1.15.el5_8.6
0:2.6.26-2.1.15.el5_8.6
libxml2-debuginfo
Red Hat:enterprise_linux:5::server
before 0:2.6.26-2.1.15.el5_8.6
0:2.6.26-2.1.15.el5_8.6
libxml2-devel
Red Hat:enterprise_linux:5::server
before 0:2.6.26-2.1.15.el5_8.6
0:2.6.26-2.1.15.el5_8.6
libxml2-python
Red Hat:enterprise_linux:5::server
before 0:2.6.26-2.1.15.el5_8.6
0:2.6.26-2.1.15.el5_8.6
libxml2
Red Hat:enterprise_linux:6::client
before 0:2.7.6-8.el6_3.4
0:2.7.6-8.el6_3.4
libxml2-debuginfo
Red Hat:enterprise_linux:6::client
before 0:2.7.6-8.el6_3.4
0:2.7.6-8.el6_3.4
libxml2-python
Red Hat:enterprise_linux:6::client
before 0:2.7.6-8.el6_3.4
0:2.7.6-8.el6_3.4
libxml2-devel
Red Hat:enterprise_linux:6::client
before 0:2.7.6-8.el6_3.4
0:2.7.6-8.el6_3.4
libxml2-static
Red Hat:enterprise_linux:6::client
before 0:2.7.6-8.el6_3.4
0:2.7.6-8.el6_3.4
libxml2
Red Hat:enterprise_linux:6::computenode
before 0:2.7.6-8.el6_3.4
0:2.7.6-8.el6_3.4
libxml2-debuginfo
Red Hat:enterprise_linux:6::computenode
before 0:2.7.6-8.el6_3.4
0:2.7.6-8.el6_3.4
libxml2-python
Red Hat:enterprise_linux:6::computenode
before 0:2.7.6-8.el6_3.4
0:2.7.6-8.el6_3.4
libxml2-devel
Red Hat:enterprise_linux:6::computenode
before 0:2.7.6-8.el6_3.4
0:2.7.6-8.el6_3.4
libxml2-static
Red Hat:enterprise_linux:6::computenode
before 0:2.7.6-8.el6_3.4
0:2.7.6-8.el6_3.4
libxml2
Red Hat:enterprise_linux:6::server
before 0:2.7.6-8.el6_3.4
0:2.7.6-8.el6_3.4
libxml2-debuginfo
Red Hat:enterprise_linux:6::server
before 0:2.7.6-8.el6_3.4
0:2.7.6-8.el6_3.4
libxml2-devel
Red Hat:enterprise_linux:6::server
before 0:2.7.6-8.el6_3.4
0:2.7.6-8.el6_3.4
libxml2-python
Red Hat:enterprise_linux:6::server
before 0:2.7.6-8.el6_3.4
0:2.7.6-8.el6_3.4
libxml2-static
Red Hat:enterprise_linux:6::server
before 0:2.7.6-8.el6_3.4
0:2.7.6-8.el6_3.4
libxml2
Red Hat:enterprise_linux:6::workstation
before 0:2.7.6-8.el6_3.4
0:2.7.6-8.el6_3.4
libxml2-debuginfo
Red Hat:enterprise_linux:6::workstation
before 0:2.7.6-8.el6_3.4
0:2.7.6-8.el6_3.4
libxml2-devel
Red Hat:enterprise_linux:6::workstation
before 0:2.7.6-8.el6_3.4
0:2.7.6-8.el6_3.4
libxml2-python
Red Hat:enterprise_linux:6::workstation
before 0:2.7.6-8.el6_3.4
0:2.7.6-8.el6_3.4
libxml2-static
Red Hat:enterprise_linux:6::workstation
before 0:2.7.6-8.el6_3.4
0:2.7.6-8.el6_3.4
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
chromium
openSUSE:Tumbleweed
From an advisory covering 719 CVEs
before 55.0.2883.75-3.1
55.0.2883.75-3.1
libxml2
openSUSE:Tumbleweed
From an advisory covering 32 CVEs
before 2.9.4-1.22
2.9.4-1.22
python-libxml2
openSUSE:Tumbleweed
From an advisory covering 16 CVEs
before 2.9.4-1.4
2.9.4-1.4
chromium
openSUSE:Tumbleweed
From an advisory covering 2310 CVEs
before 113.0.5672.92-1.1
113.0.5672.92-1.1

What each source reports

NVD Score used6.8

Heap-based buffer underflow in the xmlParseAttValueComplex function in parser.c in libxml2 2.9.0 and earlier, as used in Google Chrome before 23.0.1271.91 and other products, allows remote attackers to cause a denial of service or possibly execute arbitrary code via crafted entities in an XML document.

Record
CVE-2012-5134
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness
CWE-119
Updated
2026-11-02
CVE ListNo score

Heap-based buffer underflow in the xmlParseAttValueComplex function in parser.c in libxml2 2.9.0 and earlier, as used in Google Chrome before 23.0.1271.91 and other products, allows remote attackers to cause a denial of service or possibly execute arbitrary code via crafted entities in an XML document.

Record
CVE-2012-5134
Updated
2026-11-02
EUVDEUVD-2012-5057No score

Heap-based buffer underflow in the xmlParseAttValueComplex function in parser.c in libxml2 2.9.0 and earlier, as used in Google Chrome before 23.0.1271.91 and other products, allows remote attackers to cause a denial of service or possibly execute arbitrary code via crafted entities in an XML document.

Record
EUVD-2012-5057
Updated
2026-11-03
GitHub AdvisoriesGHSA-j7mm-3m3p-jw5xNo score

Heap-based buffer underflow in the xmlParseAttValueComplex function in parser.c in libxml2 2.9.0...

Heap-based buffer underflow in the xmlParseAttValueComplex function in parser.c in libxml2 2.9.0 and earlier, as used in Google Chrome before 23.0.1271.91 and other products, allows remote attackers to cause a denial of service or possibly execute arbitrary code via crafted entities in an XML document.

Record
GHSA-j7mm-3m3p-jw5x
Weakness
CWE-119
Updated
2026-11-02
OSVNo score

Heap-based buffer underflow in the xmlParseAttValueComplex function in parser.c in libxml2 2.9.0 and earlier, as used in Google Chrome before 23.0.1271.91 and other products, allows remote attackers to cause a denial of service or possibly execute arbitrary code via crafted entities in an XML document.

Record
CVE-2012-5134
Updated
2026-11-02
OSVDEBIAN-CVE-2012-5134No score

Heap-based buffer underflow in the xmlParseAttValueComplex function in parser.c in libxml2 2.9.0 and earlier, as used in Google Chrome before 23.0.1271.91 and other products, allows remote attackers to cause a denial of service or possibly execute arbitrary code via crafted entities in an XML document.

Record
DEBIAN-CVE-2012-5134
Updated
2026-11-02
Show 4 moreShow less
OSVopenSUSE-SU-2024:10171-1No score

chromedriver-55.0.2883.75-3.1 on GA media

These are all security issues fixed in the chromedriver-55.0.2883.75-3.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10171-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:10192-1No 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
OSVopenSUSE-SU-2024:10228-1No score

python-libxml2-2.9.4-1.4 on GA media

These are all security issues fixed in the python-libxml2-2.9.4-1.4 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10228-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:12948-1No score

ungoogled-chromium-113.0.5672.92-1.1 on GA media

These are all security issues fixed in the ungoogled-chromium-113.0.5672.92-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:12948-1
Updated
2026-11-02

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.

References

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Left out here: 2,235 references. The JSON record has them.

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