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CVE-2019-17026

Published: 9 January 2020

Incorrect alias information in IonMonkey JIT compiler for setting array elements could lead to a type confusion. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Firefox ESR < 68.4.1, Thunderbird < 68.4.1, and Firefox < 72.0.1.

Priority

Medium

CVSS 3 base score: 8.8

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
bionic
Released (72.0.1+build1-0ubuntu0.18.04.1)
disco
Released (72.0.1+build1-0ubuntu0.19.04.1)
eoan
Released (72.0.1+build1-0ubuntu0.19.10.1)
focal
Released (72.0.1+build1-0ubuntu1)
groovy
Released (72.0.1+build1-0ubuntu1)
hirsute
Released (72.0.1+build1-0ubuntu1)
impish
Released (72.0.1+build1-0ubuntu1)
jammy
Released (72.0.1+build1-0ubuntu1)
precise Does not exist

trusty Does not exist

upstream
Released (72.0.1)
xenial
Released (72.0.1+build1-0ubuntu0.16.04.1)
mozjs38
Launchpad, Ubuntu, Debian
bionic Needs triage

disco Does not exist

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

disco Ignored
(reached end-of-life)
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

disco Ignored
(reached end-of-life)
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 (1:68.4.1+build1-0ubuntu0.18.04.1)
disco Ignored
(reached end-of-life)
eoan
Released (1:68.4.1+build1-0ubuntu0.19.10.1)
focal
Released (1:68.4.1+build1-0ubuntu1)
groovy
Released (1:68.4.1+build1-0ubuntu1)
hirsute
Released (1:68.4.1+build1-0ubuntu1)
impish
Released (1:68.4.1+build1-0ubuntu1)
jammy
Released (1:68.4.1+build1-0ubuntu1)
precise Does not exist

trusty Does not exist

upstream
Released (68.4.1)
xenial
Released (1:68.7.0+build1-0ubuntu0.16.04.2)