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 1.8.16 and earlier, allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted XML file that…
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EPSS puts the probability of exploitation in the next 30 days at 13.4%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
Description
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.
- CVSS 2.0
- 9.3 HIGHAV:N/AC:M/Au:N/C:C/I:C/A:C
- EPSS
- 13.43% probability · 96th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-189
- Affected
- xmlsoft/libxml2 · xmlsoft/libxml
- Source
- secalert@redhat.com
References
- http://git.gnome.org/browse/libxml2/commit/?id=d7958b21e7f8c447a26bb2436f08402b2c308be4Patch
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041
- http://lists.apple.com/archives/security-announce/2012/May/msg00001.html
- http://lists.apple.com/archives/security-announce/2012/Sep/msg00003.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062238.htmlExploit, Patch
- http://lists.opensuse.org/opensuse-updates/2011-07/msg00035.html
- http://rhn.redhat.com/errata/RHSA-2013-0217.html
- http://scarybeastsecurity.blogspot.com/2011/05/libxml-vulnerability-and-interesting.htmlPatch, Vendor Advisory
- http://secunia.com/advisories/44711Vendor Advisory
- http://support.apple.com/kb/HT5281
- http://support.apple.com/kb/HT5503
- http://ubuntu.com/usn/usn-1153-1
- http://www.debian.org/security/2011/dsa-2255
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:131
- http://www.openwall.com/lists/oss-security/2011/05/31/8Exploit, Patch
- http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html
- http://www.osvdb.org/73248
- http://www.redhat.com/support/errata/RHSA-2011-1749.html
- http://www.securityfocus.com/bid/48056Exploit
- https://bugzilla.redhat.com/show_bug.cgi?id=709747Exploit, Patch
- http://git.gnome.org/browse/libxml2/commit/?id=d7958b21e7f8c447a26bb2436f08402b2c308be4Patch
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041
- http://lists.apple.com/archives/security-announce/2012/May/msg00001.html
- http://lists.apple.com/archives/security-announce/2012/Sep/msg00003.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062238.htmlExploit, Patch
- http://lists.opensuse.org/opensuse-updates/2011-07/msg00035.html
- http://rhn.redhat.com/errata/RHSA-2013-0217.html
- http://scarybeastsecurity.blogspot.com/2011/05/libxml-vulnerability-and-interesting.htmlPatch, Vendor Advisory
- http://secunia.com/advisories/44711Vendor Advisory
- http://support.apple.com/kb/HT5281
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.