CVE-2021-23987

Public on 2021-03-31
Modified on 2021-04-21
Description
The Mozilla Foundation Security Advisory describes this issue as:

Mozilla developers and community members reported memory safety bugs present in Firefox 86 and Firefox ESR 78.8. 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.
Severity
Important severity
Important
CVSS v3 Base Score
8.8
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core thunderbird 2021-04-20 ALAS2-2021-1632 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD CVSSv3 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD CVSSv2 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P