Description
Mozilla developers reported memory safety bugs present in Firefox 71. 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 < 72.
References (3)
Core 3
Core References
Broken Link x_refsource_misc
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1328295%2C1328300%2C1590447%2C1590965%2C1595692%2C1597321%2C1597481
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2020-01/
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4234-1/
Scores
CVSS v3
8.8
EPSS
0.0070
EPSS Percentile
72.3%
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-787
Status
published
Products (5)
canonical/ubuntu_linux
16.04
canonical/ubuntu_linux
18.04
canonical/ubuntu_linux
19.04
canonical/ubuntu_linux
19.10
mozilla/firefox
< 72.0
Published
Jan 08, 2020
Tracked Since
Feb 18, 2026