thunderbird is vulnerable to information disclosure. Several flaws were found in the way malformed content was processed. An HTML mail message containing specially-crafted content could potentially trick a Thunderbird user into surrendering sensitive information.
lists.opensuse.org/opensuse-security-announce/2009-02/msg00001.html
rhn.redhat.com/errata/RHSA-2009-0256.html
secunia.com/advisories/33799
secunia.com/advisories/33808
secunia.com/advisories/33809
secunia.com/advisories/33816
secunia.com/advisories/33831
secunia.com/advisories/33841
secunia.com/advisories/33846
secunia.com/advisories/33869
secunia.com/advisories/34324
secunia.com/advisories/34417
support.avaya.com/elmodocs2/security/ASA-2009-040.htm
www.mandriva.com/security/advisories?name=MDVSA-2009:044
www.mozilla.org/security/announce/2009/mfsa2009-03.html
www.redhat.com/security/updates/classification/#moderate
www.redhat.com/support/errata/RHSA-2009-0257.html
www.redhat.com/support/errata/RHSA-2009-0258.html
www.securityfocus.com/bid/33598
www.securitytracker.com/id?1021665
www.ubuntu.com/usn/usn-717-1
www.ubuntu.com/usn/usn-717-2
www.vupen.com/english/advisories/2009/0313
access.redhat.com/errata/RHSA-2009:0258
bugzilla.mozilla.org/show_bug.cgi?id=466937
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9161
www.redhat.com/archives/fedora-package-announce/2009-February/msg00240.html
www.redhat.com/archives/fedora-package-announce/2009-March/msg00769.html
www.redhat.com/archives/fedora-package-announce/2009-March/msg00771.html