CVE-2021-4127

NameCVE-2021-4127
DescriptionAn out of date graphics library (Angle) likely contained vulnerabilities that could potentially be exploited.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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-4874-1, DSA-4876-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
firefox-esr (PTS)buster91.12.0esr-1~deb10u1fixed
buster (security)115.12.0esr-1~deb10u1fixed
bullseye115.7.0esr-1~deb11u1fixed
bullseye (security)115.12.0esr-1~deb11u1fixed
bookworm115.7.0esr-1~deb12u1fixed
bookworm (security)115.12.0esr-1~deb12u1fixed
sid, trixie115.12.0esr-1fixed
thunderbird (PTS)buster1:91.12.0-1~deb10u1fixed
buster (security)1:115.12.0-1~deb10u1fixed
bullseye1:115.7.0-1~deb11u1fixed
bullseye (security)1:115.12.0-1~deb11u1fixed
bookworm1:115.7.0-1~deb12u1fixed
bookworm (security)1:115.12.0-1~deb12u1fixed
sid, trixie1:115.12.0-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
firefox-esrsourcebuster78.9.0esr-1~deb10u1DSA-4874-1
firefox-esrsource(unstable)78.9.0esr-1
thunderbirdsourcebuster1:78.9.0-1~deb10u1DSA-4876-1
thunderbirdsource(unstable)1:78.9.0-1

Notes

https://www.mozilla.org/en-US/security/advisories/mfsa2021-11/#CVE-2021-4127
https://www.mozilla.org/en-US/security/advisories/mfsa2021-12/#CVE-2021-4127

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