A possibly exploitable crash triggered during layout and manipulation of bidirectional unicode text in concert with CSS animations. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 52.1, and Firefox < 53.
http://www.securityfocus.com/bid/97940
http://www.securitytracker.com/id/1038320
https://access.redhat.com/errata/RHSA-2017:1104
https://access.redhat.com/errata/RHSA-2017:1106
https://access.redhat.com/errata/RHSA-2017:1201
https://bugzilla.mozilla.org/show_bug.cgi?id=1340127
https://www.mozilla.org/security/advisories/mfsa2017-10/
Source: MITRE
Published: 2018-06-11
Updated: 2018-08-09
Type: CWE-20
Base Score: 5
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 10
Severity: MEDIUM
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 3.9
Severity: HIGH