Use-after-free vulnerability in the SetBreaks function in Mozilla Firefox before 38.0, Firefox ESR 31.x before 31.7, and Thunderbird before 31.7 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via a document containing crafted text in conjunction with a Cascading Style Sheets (CSS) token sequence containing properties related to vertical text.
lists.opensuse.org/opensuse-security-announce/2015-05/msg00012.html
lists.opensuse.org/opensuse-security-announce/2015-05/msg00054.html
lists.opensuse.org/opensuse-security-announce/2015-06/msg00000.html
lists.opensuse.org/opensuse-security-announce/2015-07/msg00031.html
lists.opensuse.org/opensuse-updates/2015-05/msg00036.html
rhn.redhat.com/errata/RHSA-2015-0988.html
rhn.redhat.com/errata/RHSA-2015-1012.html
www.debian.org/security/2015/dsa-3260
www.debian.org/security/2015/dsa-3264
www.mozilla.org/security/announce/2015/mfsa2015-51.html
www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
www.securityfocus.com/bid/74611
www.ubuntu.com/usn/USN-2602-1
www.ubuntu.com/usn/USN-2603-1
bugzilla.mozilla.org/show_bug.cgi?id=1153478
security.gentoo.org/glsa/201605-06
www.mozilla.org/en-US/security/known-vulnerabilities/thunderbird/#thunderbird31.7