firefox and thunderbird are vulnerable to denial of service. Several flaws were found in the processing of malformed web content. 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.opensuse.org/opensuse-security-announce/2016-03/msg00027.html
lists.opensuse.org/opensuse-security-announce/2016-03/msg00029.html
lists.opensuse.org/opensuse-security-announce/2016-03/msg00031.html
lists.opensuse.org/opensuse-security-announce/2016-03/msg00050.html
lists.opensuse.org/opensuse-security-announce/2016-03/msg00068.html
lists.opensuse.org/opensuse-security-announce/2016-03/msg00089.html
lists.opensuse.org/opensuse-security-announce/2016-03/msg00091.html
lists.opensuse.org/opensuse-security-announce/2016-03/msg00093.html
lists.opensuse.org/opensuse-security-announce/2016-07/msg00006.html
lists.opensuse.org/opensuse-security-announce/2016-07/msg00007.html
lists.opensuse.org/opensuse-security-announce/2016-07/msg00008.html
www.debian.org/security/2016/dsa-3510
www.mozilla.org/security/announce/2016/mfsa2016-16.html
www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
www.securitytracker.com/id/1035215
www.ubuntu.com/usn/USN-2917-1
www.ubuntu.com/usn/USN-2917-2
www.ubuntu.com/usn/USN-2917-3
www.ubuntu.com/usn/USN-2934-1
access.redhat.com/security/updates/classification/#critical
bugzilla.mozilla.org/show_bug.cgi?id=1123661
bugzilla.mozilla.org/show_bug.cgi?id=1221872
bugzilla.mozilla.org/show_bug.cgi?id=1224979
bugzilla.mozilla.org/show_bug.cgi?id=1234578
bugzilla.mozilla.org/show_bug.cgi?id=1241217
bugzilla.mozilla.org/show_bug.cgi?id=1242279
bugzilla.mozilla.org/show_bug.cgi?id=1244250
bugzilla.mozilla.org/show_bug.cgi?id=1244995
bugzilla.mozilla.org/show_bug.cgi?id=1249685
rhn.redhat.com/errata/RHSA-2016-0373.html
security.gentoo.org/glsa/201605-06
www.mozilla.org/en-US/security/known-vulnerabilities/firefox-esr/#firefoxesr38.7