The clientautoresp function in family_icbm.c in the oscar protocol plugin in libpurple in Pidgin before 2.7.2 allows remote authenticated users to cause a denial of service (NULL pointer dereference and application crash) via an X-Status message that lacks the expected end tag for a (1) desc or (2) title element.
developer.pidgin.im/viewmtn/revision/diff/fcb70f7c12120206d30ad33223ff85be7b226d1c/with/8e8ff246492e45af8f8d0808296d6f2906794dc0/libpurple/protocols/oscar/family_icbm.c
developer.pidgin.im/viewmtn/revision/info/8e8ff246492e45af8f8d0808296d6f2906794dc0
secunia.com/advisories/40699
slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.462873
www.osvdb.org/66506
www.pidgin.im/news/security/index.php?id=47
www.securityfocus.com/bid/41881
www.vupen.com/english/advisories/2010/1887
www.vupen.com/english/advisories/2010/2221
exchange.xforce.ibmcloud.com/vulnerabilities/60566
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18359