seamonkey is vulnerable to arbitrary code execution. A flaw was discovered in the way SeaMonkey handles certain XUL garbage collection events. A remote attacker could use this flaw to crash SeaMonkey or, potentially, execute arbitrary code as the user running SeaMonkey.
blogs.zdnet.com/security/?p=2934
blogs.zdnet.com/security/?p=2941
cansecwest.com/index.html
dvlabs.tippingpoint.com/blog/2009/02/25/pwn2own-2009
dvlabs.tippingpoint.com/blog/2009/03/18/pwn2own-2009-day-1---safari-internet-explorer-and-firefox-taken-down-by-four-zero-day-exploits
lists.opensuse.org/opensuse-security-announce/2009-04/msg00008.html
news.cnet.com/8301-1009_3-10199652-83.html
osvdb.org/52896
secunia.com/advisories/34471
secunia.com/advisories/34505
secunia.com/advisories/34510
secunia.com/advisories/34511
secunia.com/advisories/34521
secunia.com/advisories/34527
secunia.com/advisories/34549
secunia.com/advisories/34550
secunia.com/advisories/34792
support.avaya.com/elmodocs2/security/ASA-2009-113.htm
twitter.com/tippingpoint1/status/1351635812
www.debian.org/security/2009/dsa-1756
www.h-online.com/security/Pwn2Own-2009-Safari-IE-8-and-Firefox-exploited--/news/112889
www.mandriva.com/security/advisories?name=MDVSA-2009:084
www.mozilla.org/security/announce/2009/mfsa2009-13.html
www.redhat.com/security/updates/classification/#critical
www.redhat.com/support/errata/RHSA-2009-0397.html
www.redhat.com/support/errata/RHSA-2009-0398.html
www.securityfocus.com/archive/1/502303/100/0/threaded
www.securityfocus.com/bid/34181
www.securitytracker.com/id?1021878
www.ubuntu.com/usn/usn-745-1
www.vupen.com/english/advisories/2009/0864
www.zerodayinitiative.com/advisories/ZDI-09-015
access.redhat.com/errata/RHSA-2009:0398
bugzilla.mozilla.org/show_bug.cgi?id=484320
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11368
www.redhat.com/archives/fedora-package-announce/2009-March/msg01023.html
www.redhat.com/archives/fedora-package-announce/2009-March/msg01040.html
www.redhat.com/archives/fedora-package-announce/2009-March/msg01077.html