Mozilla Firefox is vulnerable to arbitrary code execution. Certain response codes in FTP connections can result in the use of uninitialized values for ports in FTP operations.
rhn.redhat.com/errata/RHSA-2017-0459.html
rhn.redhat.com/errata/RHSA-2017-0461.html
rhn.redhat.com/errata/RHSA-2017-0498.html
www.securityfocus.com/bid/96693
www.securitytracker.com/id/1037966
access.redhat.com/errata/RHSA-2017:0459
access.redhat.com/security/updates/classification/#critical
bugzilla.mozilla.org/show_bug.cgi?id=1336699
security.gentoo.org/glsa/201705-06
security.gentoo.org/glsa/201705-07
www.debian.org/security/2017/dsa-3805
www.debian.org/security/2017/dsa-3832
www.mozilla.org/en-US/security/advisories/mfsa2017-06
www.mozilla.org/security/advisories/mfsa2017-05/
www.mozilla.org/security/advisories/mfsa2017-06/
www.mozilla.org/security/advisories/mfsa2017-07/
www.mozilla.org/security/advisories/mfsa2017-09/