CVE-2021-23974
Published: 26 February 2021
The DOMParser API did not properly process '<noscript>' elements for escaping. This could be used as an mXSS vector to bypass an HTML Sanitizer. This vulnerability affects Firefox < 86.
Priority
CVSS 3 base score: 6.1
Status
Package | Release | Status |
---|---|---|
firefox Launchpad, Ubuntu, Debian |
Upstream |
Released
(86)
|
Ubuntu 21.04 (Hirsute Hippo) |
Released
(86.0+build3-0ubuntu1)
|
|
Ubuntu 20.10 (Groovy Gorilla) |
Released
(86.0+build3-0ubuntu0.20.10.1)
|
|
Ubuntu 20.04 LTS (Focal Fossa) |
Released
(86.0+build3-0ubuntu0.20.04.1)
|
|
Ubuntu 18.04 LTS (Bionic Beaver) |
Released
(86.0+build3-0ubuntu0.18.04.1)
|
|
Ubuntu 16.04 LTS (Xenial Xerus) |
Released
(86.0+build3-0ubuntu0.16.04.1)
|
|
Ubuntu 14.04 ESM (Trusty Tahr) |
Does not exist
|
|
mozjs38 Launchpad, Ubuntu, Debian |
Upstream |
Needs triage
|
Ubuntu 21.04 (Hirsute Hippo) |
Does not exist
|
|
Ubuntu 20.10 (Groovy Gorilla) |
Does not exist
|
|
Ubuntu 20.04 LTS (Focal Fossa) |
Does not exist
|
|
Ubuntu 18.04 LTS (Bionic Beaver) |
Needs triage
|
|
Ubuntu 16.04 LTS (Xenial Xerus) |
Does not exist
|
|
Ubuntu 14.04 ESM (Trusty Tahr) |
Does not exist
|
|
mozjs52 Launchpad, Ubuntu, Debian |
Upstream |
Needs triage
|
Ubuntu 21.04 (Hirsute Hippo) |
Does not exist
|
|
Ubuntu 20.10 (Groovy Gorilla) |
Needs triage
|
|
Ubuntu 20.04 LTS (Focal Fossa) |
Needs triage
|
|
Ubuntu 18.04 LTS (Bionic Beaver) |
Needs triage
|
|
Ubuntu 16.04 LTS (Xenial Xerus) |
Does not exist
|
|
Ubuntu 14.04 ESM (Trusty Tahr) |
Does not exist
|
|
mozjs60 Launchpad, Ubuntu, Debian |
Upstream |
Needs triage
|
Ubuntu 21.04 (Hirsute Hippo) |
Does not exist
|
|
Ubuntu 20.10 (Groovy Gorilla) |
Does not exist
|
|
Ubuntu 20.04 LTS (Focal Fossa) |
Does not exist
|
|
Ubuntu 18.04 LTS (Bionic Beaver) |
Does not exist
|
|
Ubuntu 16.04 LTS (Xenial Xerus) |
Does not exist
|
|
Ubuntu 14.04 ESM (Trusty Tahr) |
Does not exist
|
|
mozjs68 Launchpad, Ubuntu, Debian |
Upstream |
Needs triage
|
Ubuntu 21.04 (Hirsute Hippo) |
Does not exist
|
|
Ubuntu 20.10 (Groovy Gorilla) |
Needs triage
|
|
Ubuntu 20.04 LTS (Focal Fossa) |
Needs triage
|
|
Ubuntu 18.04 LTS (Bionic Beaver) |
Does not exist
|
|
Ubuntu 16.04 LTS (Xenial Xerus) |
Does not exist
|
|
Ubuntu 14.04 ESM (Trusty Tahr) |
Does not exist
|
|
mozjs78 Launchpad, Ubuntu, Debian |
Upstream |
Needs triage
|
Ubuntu 21.04 (Hirsute Hippo) |
Needs triage
|
|
Ubuntu 20.10 (Groovy Gorilla) |
Needs triage
|
|
Ubuntu 20.04 LTS (Focal Fossa) |
Does not exist
|
|
Ubuntu 18.04 LTS (Bionic Beaver) |
Does not exist
|
|
Ubuntu 16.04 LTS (Xenial Xerus) |
Does not exist
|
|
Ubuntu 14.04 ESM (Trusty Tahr) |
Does not exist
|
|
Patches: DNE |
||
thunderbird Launchpad, Ubuntu, Debian |
Upstream |
Needs triage
|
Ubuntu 21.04 (Hirsute Hippo) |
Needed
|
|
Ubuntu 20.10 (Groovy Gorilla) |
Needed
|
|
Ubuntu 20.04 LTS (Focal Fossa) |
Needed
|
|
Ubuntu 18.04 LTS (Bionic Beaver) |
Needed
|
|
Ubuntu 16.04 LTS (Xenial Xerus) |
Needed
|
|
Ubuntu 14.04 ESM (Trusty Tahr) |
Does not exist
|
Notes
Author | Note |
---|---|
tyhicks | mozjs contains a copy of the SpiderMonkey JavaScript engine |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23974
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-07/#CVE-2021-23974
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1528997%2C1683627
- https://www.mozilla.org/security/advisories/mfsa2021-07/
- https://usn.ubuntu.com/usn/usn-4756-1
- NVD
- Launchpad
- Debian