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CVE-2019-9818

Published: 23 July 2019

A race condition is present in the crash generation server used to generate data for the crash reporter. This issue can lead to a use-after-free in the main process, resulting in a potentially exploitable crash and a sandbox escape. *Note: this vulnerability only affects Windows. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.

Notes

AuthorNote
tyhicks
mozjs contains a copy of the SpiderMonkey JavaScript engine
chrisccoulson
Windows only bug

Priority

Medium

Cvss 3 Severity Score

8.3

Score breakdown

Status

Package Release Status
mozjs52
Launchpad, Ubuntu, Debian
groovy Ignored
(end of life)
bionic Needs triage

cosmic Ignored
(end of life)
disco Ignored
(end of life)
eoan Ignored
(end of life)
focal Needs triage

upstream Needs triage

xenial Does not exist

impish Does not exist

hirsute Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

mantic Does not exist

mozjs38
Launchpad, Ubuntu, Debian
bionic Needs triage

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

upstream Needs triage

xenial Does not exist

impish Does not exist

hirsute Does not exist

jammy Does not exist

groovy Does not exist

kinetic Does not exist

lunar Does not exist

mantic Does not exist

mozjs60
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Ignored
(end of life)
disco Ignored
(end of life)
eoan Ignored
(end of life)
focal Does not exist

impish Does not exist

hirsute Does not exist

jammy Does not exist

groovy Does not exist

kinetic Does not exist

lunar Does not exist

upstream Needs triage

xenial Does not exist

mantic Does not exist

firefox
Launchpad, Ubuntu, Debian
impish Not vulnerable

hirsute Not vulnerable

jammy Not vulnerable

bionic Not vulnerable

cosmic Not vulnerable

disco Not vulnerable

eoan Not vulnerable

focal Not vulnerable

groovy Not vulnerable

kinetic Not vulnerable

lunar Not vulnerable

upstream
Released (67.0)
xenial Not vulnerable

mantic Not vulnerable

thunderbird
Launchpad, Ubuntu, Debian
impish Not vulnerable

hirsute Not vulnerable

bionic Not vulnerable

cosmic Not vulnerable

disco Not vulnerable

eoan Not vulnerable

focal Not vulnerable

groovy Not vulnerable

jammy Not vulnerable

kinetic Not vulnerable

lunar Not vulnerable

upstream
Released (60.7)
xenial Not vulnerable

mantic Not vulnerable

Severity score breakdown

Parameter Value
Base score 8.3
Attack vector Network
Attack complexity High
Privileges required None
User interaction Required
Scope Changed
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H