VulnerabilityModified
CVE-2021-4127
An out of date graphics library (Angle) likely contained vulnerabilities that could potentially be exploited.
CRITICAL 9.8EPSS 0.90%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.90%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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An out of date graphics library (Angle) likely contained vulnerabilities that could potentially be exploited.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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.90% probability · 58th percentile
- CISA KEV
- Not listed
- Affected
- mozilla/firefox esr · mozilla/thunderbird
- Source
- security@mozilla.org
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1691547Exploit, Issue Tracking, Patch, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2021-11/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2021-12/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1691547Exploit, Issue Tracking, Patch, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2021-11/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2021-12/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.