CVE-2012-5134

critical

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.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/80294

https://code.google.com/p/chromium/issues/detail?id=158249

https://bugzilla.redhat.com/show_bug.cgi?id=880466

http://www.ubuntu.com/usn/USN-1656-1

http://www.securitytracker.com/id?1027815

http://www.securityfocus.com/bid/56684

http://www.mandriva.com/security/advisories?name=MDVSA-2013:056

http://www.debian.org/security/2012/dsa-2580

http://support.apple.com/kb/HT6001

http://support.apple.com/kb/HT5934

http://secunia.com/advisories/55568

http://secunia.com/advisories/54886

http://secunia.com/advisories/51448

http://rhn.redhat.com/errata/RHSA-2013-0217.html

http://rhn.redhat.com/errata/RHSA-2012-1512.html

http://lists.opensuse.org/opensuse-security-announce/2013-11/msg00002.html

http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00023.html

http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00004.html

http://lists.apple.com/archives/security-announce/2013/Sep/msg00006.html

http://lists.apple.com/archives/security-announce/2013/Oct/msg00009.html

http://googlechromereleases.blogspot.com/2012/11/stable-channel-update.html

http://git.gnome.org/browse/libxml2/commit/?id=6a36fbe3b3e001a8a840b5c1fdd81cefc9947f0d

Details

Source: Mitre, NVD

Published: 2012-11-28

Updated: 2023-11-07

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical