Mozilla Firefox before 44.0 stores cookies with names containing vertical tab characters, which allows remote attackers to obtain sensitive information by reading HTTP Cookie headers. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-7208.
lists.opensuse.org/opensuse-security-announce/2016-02/msg00001.html
lists.opensuse.org/opensuse-security-announce/2016-02/msg00002.html
www.mozilla.org/security/announce/2016/mfsa2016-04.html
www.securitytracker.com/id/1034825
www.ubuntu.com/usn/USN-2880-1
www.ubuntu.com/usn/USN-2880-2
bugzilla.mozilla.org/show_bug.cgi?id=1233784
security.gentoo.org/glsa/201605-06