firefox is vulnerable to arbitrary code execution. The vulnerability exists as a web page containing malicious content could cause Firefox to crash or, potentially, execute arbitrary code with the privileges of the user running Firefox.
lists.fedoraproject.org/pipermail/package-announce/2010-February/035346.html
lists.fedoraproject.org/pipermail/package-announce/2010-February/035367.html
lists.fedoraproject.org/pipermail/package-announce/2010-February/035426.html
lists.opensuse.org/opensuse-security-announce/2010-03/msg00001.html
secunia.com/advisories/37242
secunia.com/advisories/38847
www.debian.org/security/2010/dsa-1999
www.mandriva.com/security/advisories?name=MDVSA-2010:042
www.mozilla.org/security/announce/2010/mfsa2010-02.html
www.mozilla.org/security/known-vulnerabilities/firefox30.html#firefox3.0.18
www.redhat.com/security/updates/classification/#critical
www.redhat.com/support/errata/RHSA-2010-0112.html
www.securityfocus.com/archive/1/510533/100/0/threaded
www.ubuntu.com/usn/USN-895-1
www.ubuntu.com/usn/USN-896-1
www.vupen.com/english/advisories/2010/0405
www.zerodayinitiative.com/advisories/ZDI-10-046
access.redhat.com/errata/RHSA-2010:0112
bugzilla.mozilla.org/show_bug.cgi?id=531222
bugzilla.mozilla.org/show_bug.cgi?id=533000
bugzilla.mozilla.org/show_bug.cgi?id=534051
exchange.xforce.ibmcloud.com/vulnerabilities/56360
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11166
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8465