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CVE-2020-6806

Published: 11 March 2020

By carefully crafting promise resolutions, it was possible to cause an out-of-bounds read off the end of an array resized during script execution. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.

Priority

Medium

CVSS 3 base score: 8.8

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
bionic
Released (74.0+build3-0ubuntu0.18.04.1)
eoan
Released (74.0+build3-0ubuntu0.19.10.1)
focal
Released (74.0+build3-0ubuntu1)
groovy
Released (74.0+build3-0ubuntu1)
hirsute
Released (74.0+build3-0ubuntu1)
impish
Released (74.0+build3-0ubuntu1)
jammy
Released (74.0+build3-0ubuntu1)
precise Does not exist

trusty Does not exist

upstream
Released (74.0)
xenial
Released (74.0+build3-0ubuntu0.16.04.1)
mozjs38
Launchpad, Ubuntu, Debian
bionic Needs triage

eoan Does not exist

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

eoan Ignored
(reached end-of-life)
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

mozjs60
Launchpad, Ubuntu, Debian
bionic Does not exist

eoan Ignored
(reached end-of-life)
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

thunderbird
Launchpad, Ubuntu, Debian
bionic
Released (1:68.7.0+build1-0ubuntu0.18.04.1)
eoan
Released (1:68.7.0+build1-0ubuntu0.19.10.1)
focal
Released (1:68.6.0+build2-0ubuntu1)
groovy
Released (1:68.6.0+build2-0ubuntu1)
hirsute
Released (1:68.6.0+build2-0ubuntu1)
impish
Released (1:68.6.0+build2-0ubuntu1)
jammy
Released (1:68.6.0+build2-0ubuntu1)
precise Does not exist

trusty Does not exist

upstream
Released (68.6.0)
xenial
Released (1:68.7.0+build1-0ubuntu0.16.04.2)