Stack-based buffer overflow in the URL parsing function in Gaim before 1.3.0 allows remote attackers to execute arbitrary code via an instant message (IM) with a large URL.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10725
http://www.vupen.com/english/advisories/2005/0519
http://www.securityfocus.com/bid/13590
http://www.securityfocus.com/archive/1/426078/100/0/threaded
http://www.redhat.com/support/errata/RHSA-2005-432.html