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CVE-2021-29952

Published: 7 May 2021

When Web Render components were destructed, a race condition could have caused undefined behavior, and we presume that with enough effort may have been exploitable to run arbitrary code. This vulnerability affects Firefox < 88.0.1 and Firefox for Android < 88.1.3.

Priority

Medium

CVSS 3 base score: 7.5

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
bionic
Released (88.0.1+build1-0ubuntu0.18.04.2)
focal
Released (88.0.1+build1-0ubuntu0.20.04.2)
groovy
Released (88.0.1+build1-0ubuntu0.20.10.2)
hirsute
Released (88.0.1+build1-0ubuntu0.21.04.2)
impish
Released (88.0.1+build1-0ubuntu2)
jammy
Released (88.0.1+build1-0ubuntu2)
precise Does not exist

trusty Does not exist

upstream
Released (88.0.1)
xenial Needed

mozjs38
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

precise Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

mozjs52
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

groovy Ignored
(reached end-of-life)
hirsute Does not exist

impish Does not exist

jammy Does not exist

precise Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

mozjs68
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needs triage

groovy Ignored
(reached end-of-life)
hirsute Does not exist

impish Does not exist

jammy Does not exist

precise Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

mozjs78
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

groovy Ignored
(reached end-of-life)
hirsute Ignored
(reached end-of-life)
impish Needs triage

jammy Needs triage

precise Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

thunderbird
Launchpad, Ubuntu, Debian
bionic Not vulnerable

focal Not vulnerable

groovy Ignored
(reached end-of-life)
hirsute Not vulnerable

impish Not vulnerable

jammy Not vulnerable

precise Does not exist

trusty Does not exist

upstream Not vulnerable

xenial Not vulnerable