Description
Mozilla developers reported memory safety bugs present in Firefox 70. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 71.
References (2)
Core 2
Core References
Exploit, Issue Tracking, Patch, Vendor Advisory x_refsource_misc
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1298509%2C1472328%2C1577439%2C1577937%2C1580320%2C1584195%2C1585106%2C1586293%2C1593865%2C1594181
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2019-36/
Scores
CVSS v3
8.8
EPSS
0.0040
EPSS Percentile
60.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Details
CWE
CWE-416
CWE-787
Status
published
Products (1)
mozilla/firefox
< 71.0
Published
Jan 08, 2020
Tracked Since
Feb 18, 2026