An out of date graphics library (Angle) likely contained vulnerabilities that could potentially be exploited.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.
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Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-12-22. NVD baseline CVSS 9.8; sources differ by 0.0.
A fix is available — apply it.
An out of date graphics library (Angle) likely contained vulnerabilities that could potentially be exploited.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.
December 22, 2022
April 16, 2025
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| redhat | firefox-0:78.9.0-1.el8_2 | 2021-03-25 | redhat |
| redhat | thunderbird-0:78.9.0-3.el8_2 | 2021-03-25 | redhat |
| redhat | firefox-0:78.9.0-1.el7_9 | 2021-03-25 | redhat |
| redhat | thunderbird-0:78.9.0-3.el7_9 | 2021-03-25 | redhat |
| redhat | firefox-0:78.9.0-1.el8_3 | 2021-03-25 | redhat |
| redhat | thunderbird-0:78.9.0-3.el8_3 | 2021-03-25 | redhat |
| redhat | firefox-0:78.9.0-1.el8_1 | 2021-03-25 | redhat |
| redhat | thunderbird-0:78.9.0-3.el8_1 | 2021-03-25 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
RHSA-2021:0989 — Important
RHSA-2021:0990 — Important
RHSA-2021:0991 — Important
RHSA-2021:0992 — Important
RHSA-2021:0993 — Important
RHSA-2021:0994 — Important
RHSA-2021:0995 — Important
RHSA-2021:0996 — Important
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Explore the affected products and dependency analysis for CVE-2021-4127
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