CVE-2021-4127

critical

Description

An out of date graphics library (Angle) likely contained vulnerabilities that could potentially be exploited. This vulnerability affects Thunderbird < 78.9 and Firefox ESR < 78.9.

References

https://www.mozilla.org/security/advisories/mfsa2021-12/

https://www.mozilla.org/security/advisories/mfsa2021-11/

https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-34001

https://bugzilla.mozilla.org/show_bug.cgi?id=1691547

Details

Source: Mitre, NVD

Published: 2022-12-22

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H