CVE-2019-9821
Published: 21 May 2019
A use-after-free vulnerability can occur in AssertWorkerThread due to a race condition with shared workers. This results in a potentially exploitable crash. This vulnerability affects Firefox < 67.
Notes
Author | Note |
---|---|
tyhicks | mozjs contains a copy of the SpiderMonkey JavaScript engine |
Priority
Status
Package | Release | Status |
---|---|---|
firefox Launchpad, Ubuntu, Debian |
bionic |
Released
(67.0+build2-0ubuntu0.18.04.1)
|
cosmic |
Released
(67.0+build2-0ubuntu0.18.10.1)
|
|
disco |
Released
(67.0+build2-0ubuntu0.19.04.1)
|
|
eoan |
Released
(67.0+build2-0ubuntu1)
|
|
focal |
Released
(67.0+build2-0ubuntu1)
|
|
groovy |
Released
(67.0+build2-0ubuntu1)
|
|
hirsute |
Released
(67.0+build2-0ubuntu1)
|
|
impish |
Released
(67.0+build2-0ubuntu1)
|
|
jammy |
Released
(67.0+build2-0ubuntu1)
|
|
kinetic |
Released
(67.0+build2-0ubuntu1)
|
|
lunar |
Released
(67.0+build2-0ubuntu1)
|
|
upstream |
Released
(67.0)
|
|
xenial |
Released
(67.0+build2-0ubuntu0.16.04.1)
|
|
mozjs38 Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
cosmic |
Does not exist
|
|
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
|
|
kinetic |
Does not exist
|
|
lunar |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
|
mozjs52 Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
cosmic |
Ignored
(reached end-of-life)
|
|
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
|
|
kinetic |
Does not exist
|
|
lunar |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
|
mozjs60 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Ignored
(reached end-of-life)
|
|
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
|
|
kinetic |
Does not exist
|
|
lunar |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 8.1 |
Attack vector | Network |
Attack complexity | High |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |