Heap-based buffer overflow in MSG_UnEscapeSearchUrl in nsNNTPProtocol.cpp for Mozilla 1.7.3 and earlier allows remote attackers to cause a denial of service (application crash) via an NNTP URL (news:) with a trailing '\' (backslash) character, which prevents a string from being NULL terminated.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9808
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A100052
https://exchange.xforce.ibmcloud.com/vulnerabilities/18711
http://www.securityfocus.com/bid/12131
http://www.novell.com/linux/security/advisories/2006_04_25.html
http://www.mozilla.org/security/announce/mfsa2005-06.html
http://secunia.com/advisories/19823