Untrusted search path vulnerability in the Python module in xchat allows local users to execute arbitrary code via a Trojan horse Python file in the current working directory, related to a vulnerability in the PySys_SetArgv function (CVE-2008-5983).
https://bugzilla.redhat.com/show_bug.cgi?id=481560
http://www.securityfocus.com/bid/33444
http://www.openwall.com/lists/oss-security/2009/01/26/2
http://www.mandriva.com/security/advisories?name=MDVSA-2009:059