Memory safety bugs were reported in Firefox 49. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 50.
http://www.securitytracker.com/id/1037298
http://www.securityfocus.com/bid/94337
https://www.mozilla.org/security/advisories/mfsa2016-89/
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1296649%2C1298107%2C1300129%2C1305876%2C1314667%2C1301252%2C1277866%2C1307254%2C1252511%2C1264053
Source: Mitre, NVD
Published: 2018-06-11
Updated: 2024-11-21
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
EPSS: 0.03948