The updatePosition function in lib/xmltok_impl.c in libexpat in Expat 2.0.1, as used in Python, PyXML, w3c-libwww, and other software, allows context-dependent attackers to cause a denial of service (application crash) via an XML document with crafted UTF-8 sequences that trigger a buffer over-read, a different vulnerability than CVE-2009-2625.
http://expat.cvs.sourceforge.net/viewvc/expat/expat/lib/xmltok_impl.c?r1=1.13&r2=1.15&view=patch
http://expat.cvs.sourceforge.net/viewvc/expat/expat/lib/xmltok_impl.c?view=log
http://lists.fedoraproject.org/pipermail/package-announce/2010-November/051228.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-November/051247.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-November/051367.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-November/051405.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-November/051442.html
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00004.html
http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00002.html
http://lists.opensuse.org/opensuse-security-announce/2010-06/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html
http://lists.vmware.com/pipermail/security-announce/2010/000082.html
http://marc.info/?l=bugtraq&m=130168502603566&w=2
https://bugs.gentoo.org/show_bug.cgi?id=280615
https://bugzilla.redhat.com/show_bug.cgi?id=531697
http://secunia.com/advisories/37324
http://secunia.com/advisories/37537
http://secunia.com/advisories/37925
http://secunia.com/advisories/38050
http://secunia.com/advisories/38231
http://secunia.com/advisories/38794
http://secunia.com/advisories/38832
http://secunia.com/advisories/38834
http://secunia.com/advisories/39478
http://secunia.com/advisories/41701
http://secunia.com/advisories/42326
http://secunia.com/advisories/42338
http://secunia.com/advisories/43300
http://sourceforge.net/tracker/index.php?func=detail&aid=1990430&group_id=10127&atid=110127
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11019
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12719
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7112
http://sunsolve.sun.com/search/document.do?assetkey=1-66-273630-1
https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00370.html
https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00413.html
https://www.redhat.com/archives/fedora-package-announce/2009-December/msg01274.html
http://www.mandriva.com/security/advisories?name=MDVSA-2009:211
http://www.mandriva.com/security/advisories?name=MDVSA-2009:212
http://www.mandriva.com/security/advisories?name=MDVSA-2009:215
http://www.mandriva.com/security/advisories?name=MDVSA-2009:216
http://www.mandriva.com/security/advisories?name=MDVSA-2009:217
http://www.mandriva.com/security/advisories?name=MDVSA-2009:218
http://www.mandriva.com/security/advisories?name=MDVSA-2009:219
http://www.mandriva.com/security/advisories?name=MDVSA-2009:220
http://www.openwall.com/lists/oss-security/2009/08/21/2
http://www.openwall.com/lists/oss-security/2009/08/26/3
http://www.openwall.com/lists/oss-security/2009/08/26/4
http://www.openwall.com/lists/oss-security/2009/08/27/6
http://www.openwall.com/lists/oss-security/2009/09/06/1
http://www.openwall.com/lists/oss-security/2009/10/22/5
http://www.openwall.com/lists/oss-security/2009/10/22/9
http://www.openwall.com/lists/oss-security/2009/10/23/2
http://www.openwall.com/lists/oss-security/2009/10/23/6
http://www.openwall.com/lists/oss-security/2009/10/26/3
http://www.openwall.com/lists/oss-security/2009/10/28/3
http://www.redhat.com/support/errata/RHSA-2010-0002.html
http://www.redhat.com/support/errata/RHSA-2011-0896.html
http://www.securitytracker.com/id?1023160
http://www.ubuntu.com/usn/USN-890-1
http://www.ubuntu.com/usn/USN-890-6
http://www.vupen.com/english/advisories/2010/0528
http://www.vupen.com/english/advisories/2010/0896
http://www.vupen.com/english/advisories/2010/1107
http://www.vupen.com/english/advisories/2010/3035
http://www.vupen.com/english/advisories/2010/3053
Published: 2009-11-03
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P
Severity: Medium