direntry.c in Midnight Commander (mc) 4.5.55 and earlier allows attackers to cause a denial of service by "manipulating non-existing file handles."Referenceshttp://secunia.com/advisories/13863/http://securitytracker.com/id?1012903http://www.debian.org/security/2005/dsa-639https://exchange.xforce.ibmcloud.com/vulnerabilities/18909http://www.redhat.com/support/errata/RHSA-2005-512.html