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.
http://www.securityfocus.com/bid/103432
http://www.securitytracker.com/id/1040544
https://access.redhat.com/errata/RHSA-2018:0549
https://access.redhat.com/errata/RHSA-2018:0647
https://access.redhat.com/errata/RHSA-2018:0648
https://access.redhat.com/errata/RHSA-2018:0649
https://access.redhat.com/errata/RHSA-2018:1058
https://bugzilla.mozilla.org/show_bug.cgi?id=1446062
https://lists.debian.org/debian-lts-announce/2018/03/msg00022.html
https://lists.debian.org/debian-lts-announce/2018/03/msg00029.html
https://lists.debian.org/debian-lts-announce/2018/04/msg00033.html
https://security.gentoo.org/glsa/201811-13
https://usn.ubuntu.com/3545-1/
https://usn.ubuntu.com/3599-1/
https://usn.ubuntu.com/3604-1/
https://www.debian.org/security/2018/dsa-4140
https://www.debian.org/security/2018/dsa-4143
https://www.debian.org/security/2018/dsa-4155
Source: MITRE
Published: 2018-06-11
Updated: 2019-03-11
Type: CWE-787
Base Score: 6.8
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 8.6
Severity: MEDIUM
Base Score: 8.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 2.8
Severity: HIGH