A potential memory corruption and crash when using Skia content when drawing content outside of the bounds of a clipping region. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 52.1, and Firefox < 53.
https://www.mozilla.org/security/advisories/mfsa2017-13/
https://www.mozilla.org/security/advisories/mfsa2017-12/
https://www.mozilla.org/security/advisories/mfsa2017-10/
https://bugzilla.mozilla.org/show_bug.cgi?id=1347262
https://access.redhat.com/errata/RHSA-2017:1201
https://access.redhat.com/errata/RHSA-2017:1106