Buffer overflow in markup.c in the MXit protocol plugin in libpurple in Pidgin before 2.10.5 allows remote attackers to execute arbitrary code via a crafted inline image in a message.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17678
http://www.pidgin.im/news/security/index.php?id=64
http://www.mandriva.com/security/advisories?name=MDVSA-2012:105
http://secunia.com/advisories/50005
http://rhn.redhat.com/errata/RHSA-2012-1102.html
http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00009.html