seamonkey is vulnerable to arbitrary code execution. The vulnerability exists as a web page containing malicious content could cause SeaMonkey to crash or, potentially, execute arbitrary code as the user running SeaMonkey.
osvdb.org/55157
rhn.redhat.com/errata/RHSA-2009-1096.html
secunia.com/advisories/35331
secunia.com/advisories/35415
secunia.com/advisories/35428
secunia.com/advisories/35431
secunia.com/advisories/35439
secunia.com/advisories/35440
secunia.com/advisories/35468
secunia.com/advisories/35536
secunia.com/advisories/35561
secunia.com/advisories/35602
secunia.com/advisories/35882
slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.372468
slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.425408
sunsolve.sun.com/search/document.do?assetkey=1-66-264308-1
www.debian.org/security/2009/dsa-1820
www.debian.org/security/2009/dsa-1830
www.mandriva.com/security/advisories?name=MDVSA-2009:141
www.mozilla.org/security/announce/2009/mfsa2009-29.html
www.redhat.com/security/updates/classification/#critical
www.redhat.com/support/errata/RHSA-2009-1125.html
www.redhat.com/support/errata/RHSA-2009-1126.html
www.securityfocus.com/bid/35326
www.securityfocus.com/bid/35383
www.securitytracker.com/id?1022397
www.slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.454275
www.ubuntu.com/usn/usn-782-1
www.vupen.com/english/advisories/2009/1572
access.redhat.com/errata/RHSA-2009:1096
bugzilla.mozilla.org/show_bug.cgi?id=489131
bugzilla.redhat.com/show_bug.cgi?id=503580
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11080
rhn.redhat.com/errata/RHSA-2009-1095.html
www.redhat.com/archives/fedora-package-announce/2009-July/msg00444.html
www.redhat.com/archives/fedora-package-announce/2009-July/msg00504.html
www.redhat.com/archives/fedora-package-announce/2009-June/msg00574.html
www.redhat.com/archives/fedora-package-announce/2009-June/msg00657.html