CVE-2020-6822
Published: 7 April 2020
On 32-bit builds, an out of bounds write could have occurred when processing an image larger than 4 GB in <code>GMPDecodeData</code>. It is possible that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 68.7.0, Firefox ESR < 68.7, and Firefox < 75.
Priority
CVSS 3 base score: 8.8
Status
Package | Release | Status |
---|---|---|
firefox Launchpad, Ubuntu, Debian |
bionic |
Released
(75.0+build3-0ubuntu0.18.04.1)
|
eoan |
Released
(75.0+build3-0ubuntu0.19.10.1)
|
|
focal |
Released
(75.0+build3-0ubuntu1)
|
|
groovy |
Released
(75.0+build3-0ubuntu1)
|
|
hirsute |
Released
(75.0+build3-0ubuntu1)
|
|
impish |
Released
(75.0+build3-0ubuntu1)
|
|
jammy |
Released
(75.0+build3-0ubuntu1)
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(75.0)
|
|
xenial |
Released
(75.0+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
|
|
mozjs68 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
eoan |
Does not exist
|
|
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
|
|
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
(1:68.7.0+build1-0ubuntu1)
|
|
groovy |
Released
(1:68.7.0+build1-0ubuntu1)
|
|
hirsute |
Released
(1:68.7.0+build1-0ubuntu1)
|
|
impish |
Released
(1:68.7.0+build1-0ubuntu1)
|
|
jammy |
Released
(1:68.7.0+build1-0ubuntu1)
|
|
precise |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(68.7.0)
|
|
xenial |
Released
(1:68.7.0+build1-0ubuntu0.16.04.2)
|
Notes
Author | Note |
---|---|
tyhicks | mozjs contains a copy of the SpiderMonkey JavaScript engine |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6822
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-12/#CVE-2020-6822
- https://ubuntu.com/security/notices/USN-4323-1
- https://ubuntu.com/security/notices/USN-4328-1
- https://ubuntu.com/security/notices/USN-4335-1
- NVD
- Launchpad
- Debian