The nsAuthSSPI::Unwrap function in extensions/auth/nsAuthSSPI.cpp in Mozilla Thunderbird before 2.0.0.24 and SeaMonkey before 1.1.19 on Windows Vista, Windows Server 2008 R2, and Windows 7 allows remote SMTP, IMAP, and POP servers to cause a denial of service (heap memory corruption and application crash) or possibly execute arbitrary code via crafted data in a session that uses SSPI.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14159
https://exchange.xforce.ibmcloud.com/vulnerabilities/56992
https://bugzilla.mozilla.org/show_bug.cgi?id=511806
http://www.vupen.com/english/advisories/2010/0648
http://www.securityfocus.com/bid/38831
http://www.mozilla.org/security/announce/2010/mfsa2010-07.html
http://secunia.com/advisories/39001
http://lists.opensuse.org/opensuse-security-announce/2010-06/msg00001.html