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CVE-2022-28285

Published: 6 April 2022

When generating the assembly code for <code>MLoadTypedArrayElementHole</code>, an incorrect AliasSet was used. In conjunction with another vulnerability this could have been used for an out of bounds memory read. This vulnerability affects Thunderbird < 91.8, Firefox < 99, and Firefox ESR < 91.8.

Notes

AuthorNote
tyhicks
mozjs contains a copy of the SpiderMonkey JavaScript engine

Priority

Medium

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
bionic
Released (99.0+build2-0ubuntu0.18.04.2)
focal
Released (99.0+build2-0ubuntu0.20.04.2)
impish
Released (99.0+build2-0ubuntu0.21.10.2)
jammy
Released (1:1snap1-0ubuntu1)
kinetic
Released (1:1snap1-0ubuntu1)
trusty Does not exist

upstream Needs triage

xenial Needs triage

mozjs38
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

mozjs52
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

impish Does not exist

jammy Does not exist

kinetic 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

impish Does not exist

jammy Does not exist

kinetic 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

impish Ignored
(reached end-of-life)
jammy Needs triage

kinetic Needs triage

trusty Does not exist

upstream Needs triage

xenial Does not exist

mozjs91
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

impish Does not exist

jammy
Released (91.10.0-0ubuntu1)
kinetic Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

thunderbird
Launchpad, Ubuntu, Debian
bionic
Released (1:91.8.1+build1-0ubuntu0.18.04.1)
focal
Released (1:91.8.1+build1-0ubuntu0.20.04.1)
impish
Released (1:91.8.1+build1-0ubuntu0.21.10.1)
jammy Not vulnerable
(1:91.8.0+build2-0ubuntu1)
kinetic Not vulnerable
(1:91.8.0+build2-0ubuntu1)
trusty Does not exist

upstream
Released (91.8)
xenial Needs triage

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N