An out of bounds memory write while processing Vorbis audio data was reported through the Pwn2Own contest. This vulnerability affects Firefox < 59.0.1, Firefox ESR < 52.7.2, and Thunderbird < 52.7.
www.securityfocus.com/bid/103432
www.securitytracker.com/id/1040544
access.redhat.com/errata/RHSA-2018:0549
access.redhat.com/errata/RHSA-2018:0647
access.redhat.com/errata/RHSA-2018:0648
access.redhat.com/errata/RHSA-2018:0649
access.redhat.com/errata/RHSA-2018:1058
bugzilla.mozilla.org/show_bug.cgi?id=1446062
lists.debian.org/debian-lts-announce/2018/03/msg00022.html
lists.debian.org/debian-lts-announce/2018/03/msg00029.html
lists.debian.org/debian-lts-announce/2018/04/msg00033.html
security.gentoo.org/glsa/201811-13
usn.ubuntu.com/3545-1/
usn.ubuntu.com/3599-1/
usn.ubuntu.com/3604-1/
www.debian.org/security/2018/dsa-4140
www.debian.org/security/2018/dsa-4143
www.debian.org/security/2018/dsa-4155
www.mozilla.org/security/advisories/mfsa2018-08/
www.mozilla.org/security/advisories/mfsa2018-09/