EPSS
Percentile
85.6%
An out-of-bounds write vulnerability while decoding improperly formed BinHex format archives. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.
bugzilla.redhat.com/show_bug.cgi?id=1443299
www.mozilla.org/en-US/security/advisories/mfsa2017-11/#CVE-2017-5443