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Vulnerabilities / CVE-2021-4127

critical

CVE-2021-4127

Mozilla: Angle graphics library out of date

Published Modified
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Red Hat (high), Amazon (high).

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An out of date graphics library (Angle) likely contained vulnerabilities that could potentially be exploited.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.

Affected packages and fixed versions

SourcePackageFixed in
amazon linux 2thunderbird, thunderbird-debuginfo102.7.1-1.amzn2.0.1
debian 10firefox-esr, thunderbird78.9.0esr-1~deb10u1 and 1 more
debian 11firefox-esr, thunderbird78.9.0esr-1 and 1 more
debian 12firefox-esr, thunderbird78.9.0esr-1 and 1 more
debian 13firefox-esr, thunderbird78.9.0esr-1 and 1 more
debian 14firefox-esr, thunderbird78.9.0esr-1 and 1 more
echofirefox-esr, thunderbird78.9.0esr-1 and 1 more
Red Hatfirefox, thunderbirdno fix listed
Show all 16 entries from 8 sources
SourcePackageFixed in
amazon linux 2thunderbird102.7.1-1.amzn2.0.1
amazon linux 2thunderbird-debuginfo102.7.1-1.amzn2.0.1
debian 10firefox-esr78.9.0esr-1~deb10u1
debian 10thunderbird1:78.9.0-1~deb10u1
debian 11firefox-esr78.9.0esr-1
debian 11thunderbird1:78.9.0-1
debian 12firefox-esr78.9.0esr-1
debian 12thunderbird1:78.9.0-1
debian 13firefox-esr78.9.0esr-1
debian 13thunderbird1:78.9.0-1
debian 14firefox-esr78.9.0esr-1
debian 14thunderbird1:78.9.0-1
echofirefox-esr78.9.0esr-1
echothunderbird1:78.9.0-1
Red Hatfirefoxno fix listed
Red Hatthunderbirdno fix listed

References

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.