libpurple in Pidgin 2.1.0 through 2.2.1, when using HTML logging, allows remote attackers to cause a denial of service (NULL dereference and application crash) via a message that contains invalid HTML data, a different vector than CVE-2007-4996.Referenceshttp://www.securityfocus.com/bid/26205http://www.pidgin.im/news/security/?id=24http://www.vupen.com/english/advisories/2007/3624https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18357http://osvdb.org/38695https://exchange.xforce.ibmcloud.com/vulnerabilities/38132http://secunia.com/advisories/27495https://www.redhat.com/archives/fedora-package-announce/2007-November/msg00011.htmlhttp://www.securityfocus.com/archive/1/483580/100/0/threadedhttp://secunia.com/advisories/27372http://secunia.com/advisories/27858http://www.ubuntu.com/usn/usn-548-1
