Vulnerability CVE-2021-4127
Published: 2022-12-22

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An out of date graphics library (Angle) likely contained vulnerabilities that could potentially be exploited.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/mfsa2021-11/
https://bugzilla.mozilla.org/show_bug.cgi?id=1691547
https://www.mozilla.org/security/advisories/mfsa2021-12/
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