CVE-2022-3266

An out-of-bounds read can occur when decoding H264 video. This results in a potentially exploitable crash. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.5 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
mozillaCNA
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CVEADP
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CISA-ADPADP
5.5 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 17%
VendorProductVersion
mozillafirefox
𝑥
< 105.0
mozillafirefox_esr
𝑥
< 102.3
mozillathunderbird
𝑥
< 102.3
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
firefox
sid
132.0.1-1
fixed
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)
1:128.4.0esr-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
Fixed 105.0+build2-0ubuntu0.20.04.1
released
bionic
Fixed 105.0+build2-0ubuntu0.18.04.1
released
xenial
ignored
trusty
ignored
thunderbird
lunar
not-affected
kinetic
Fixed 1:102.4.2+build2-0ubuntu0.22.10.1
released
jammy
Fixed 1:102.4.2+build2-0ubuntu0.22.04.1
released
focal
Fixed 1:102.4.2+build2-0ubuntu0.20.04.1
released
bionic
Fixed 1:102.4.2+build2-0ubuntu0.18.04.1
released
xenial
ignored
trusty
ignored