seamonkey is vulnerable to phishing attacks. The vulnerability exists as a web page containing malicious content could execute arbitrary JavaScript in the context of the site, possibly presenting misleading data to a user, or stealing sensitive information such as login credentials.
lists.immunitysec.com/pipermail/dailydave/2009-February/005556.html
lists.immunitysec.com/pipermail/dailydave/2009-February/005563.html
lists.opensuse.org/opensuse-security-announce/2009-05/msg00000.html
rhn.redhat.com/errata/RHSA-2009-0437.html
secunia.com/advisories/34096
secunia.com/advisories/34843
secunia.com/advisories/34844
secunia.com/advisories/34894
secunia.com/advisories/35042
secunia.com/advisories/35065
www.blackhat.com/html/bh-dc-09/bh-dc-09-speakers.html#Marlinspike
www.debian.org/security/2009/dsa-1797
www.debian.org/security/2009/dsa-1830
www.mandriva.com/security/advisories?name=MDVSA-2009:111
www.mozilla.org/security/announce/2009/mfsa2009-15.html
www.redhat.com/security/updates/classification/#critical
www.redhat.com/support/errata/RHSA-2009-0436.html
www.securityfocus.com/bid/33837
www.vupen.com/english/advisories/2009/1125
access.redhat.com/errata/RHSA-2009:0437
exchange.xforce.ibmcloud.com/vulnerabilities/48974
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11396
usn.ubuntu.com/764-1/
www.blackhat.com/presentations/bh-dc-09/Marlinspike/BlackHat-DC-09-Marlinspike-Defeating-SSL.pdf
www.redhat.com/archives/fedora-package-announce/2009-April/msg00683.html