Memory safety bugs were reported in Firefox 53. 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 < 54.
http://www.securitytracker.com/id/1038689
http://www.securityfocus.com/bid/99042
https://www.mozilla.org/security/advisories/mfsa2017-15/
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1349604%2C1318645%2C1361098%2C1361100%2C1341026%2C1349421%2C1360852%2C1299147%2C1352073%2C1354853%2C1366446%2C1342181%2C1343069
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: 0.04378