Memory safety bugs were reported in Firefox 55. 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 < 56.
http://www.securitytracker.com/id/1039465
http://www.securityfocus.com/bid/101057
https://www.mozilla.org/security/advisories/mfsa2017-21/
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1392105%2C1395919%2C1388113%2C1348955%2C1394522%2C1387659%2C1369560%2C1388045%2C1378658%2C1379414%2C1385112%2C1367497
Source: Mitre, NVD
Published: 2018-06-11
Updated: 2024-11-21
Base Score: 10
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Severity: Critical
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.03643