CVE-2021-4127

An out of date graphics library (Angle) likely contained vulnerabilities that could potentially be exploited.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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mozillaCNA
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CVEADP
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CISA-ADPADP
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 47%
VendorProductVersion
mozillafirefox_esr
𝑥
< 78.9.0
mozillathunderbird
𝑥
< 78.9.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
firefox-esr
bullseye
115.14.0esr-1~deb11u1
fixed
bullseye (security)
128.4.0esr-1~deb11u1
fixed
bookworm
115.14.0esr-1~deb12u1
fixed
bookworm (security)
128.4.0esr-1~deb12u1
fixed
trixie
128.3.1esr-2
fixed
sid
128.4.0esr-1
fixed
thunderbird
bullseye
1:115.12.0-1~deb11u1
fixed
bullseye (security)
1:128.4.0esr-1~deb11u1
fixed
bookworm
1:115.12.0-1~deb12u1
fixed
bookworm (security)
1:115.16.0esr-1~deb12u1
fixed
sid
1:128.4.0esr-1
fixed
trixie
1:128.4.0esr-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
firefox
lunar
not-affected
kinetic
not-affected
jammy
not-affected
focal
not-affected
bionic
not-affected
xenial
ignored
trusty
ignored
thunderbird
lunar
not-affected
kinetic
ignored
jammy
not-affected
focal
not-affected
bionic
ignored
xenial
ignored
trusty
ignored
References
https://bugzilla.mozilla.org/show_bug.cgi?id=1691547
https://www.mozilla.org/security/advisories/mfsa2021-11/
https://www.mozilla.org/security/advisories/mfsa2021-12/
https://bugzilla.mozilla.org/show_bug.cgi?id=1691547
https://www.mozilla.org/security/advisories/mfsa2021-11/
https://www.mozilla.org/security/advisories/mfsa2021-12/