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CVE-2022-3266

Published: 28 September 2022

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.

Notes

AuthorNote
mdeslaur
starting with Ubuntu 22.04, the firefox package is just a script
that installs the Firefox snap

Priority

Medium

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
lunar Not vulnerable
(code not present)
kinetic Not vulnerable
(code not present)
jammy Not vulnerable
(code not present)
bionic
Released (105.0+build2-0ubuntu0.18.04.1)
focal
Released (105.0+build2-0ubuntu0.20.04.1)
trusty Ignored
(end of standard support)
upstream Needs triage

xenial Ignored
(end of standard support)
thunderbird
Launchpad, Ubuntu, Debian
focal
Released (1:102.4.2+build2-0ubuntu0.20.04.1)
jammy
Released (1:102.4.2+build2-0ubuntu0.22.04.1)
kinetic
Released (1:102.4.2+build2-0ubuntu0.22.10.1)
lunar Not vulnerable
(1:102.3.3+build1-0ubuntu1)
upstream
Released (102.3)
xenial Ignored
(end of standard support)
bionic
Released (1:102.4.2+build2-0ubuntu0.18.04.1)
trusty Ignored
(end of standard support)

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H