Stack-based buffer overflow in driver_wext.c in wpa_supplicant 0.6.0 and earlier allows remote attackers to cause a denial of service (crash) via crafted TSF data.
https://bugzilla.redhat.com/show_bug.cgi?id=292991
http://www.securityfocus.com/bid/26555
http://www.mandriva.com/security/advisories?name=MDKSA-2007:245