Multiple integer overflows in the image handler for imlib 1.9.14 and earlier, which is used by gkrellm and several window managers, allow remote attackers to cause a denial of service (application crash) and execute arbitrary code via certain image files.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10771
http://www.securityfocus.com/bid/11830
http://www.redhat.com/support/errata/RHSA-2004-651.html
http://www.mandriva.com/security/advisories?name=MDKSA-2005:007