CVE-2021-4127
9.8
CRITICAL
CVSS 3.1
EPSS 0.70%
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An out of date graphics library (Angle) likely contained vulnerabilities that could potentially be exploited.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.
How to fix CVE-2021-4127
To remediate CVE-2021-4127, upgrade the affected package to a fixed version below.
- Debian/firefox-esr—upgrade to 78.9.0esr-1 or later
- Debian/thunderbird—upgrade to 1:78.9.0-1 or later
Is CVE-2021-4127 being exploited?
Low — EPSS is 0.7%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 78.9.0esr-1
- from 0, < 1:78.9.0-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |