Input validation error in Mozilla Firefox and Firefox for Android - CVE-2022-38475

Vulnerability identifier: #VU66722

CSH Severity: Low

CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-38475

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to bypass implemented security mechanisms.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can write a value in a zero-length JavaScript array.

Mozilla Firefox
Firefox for Android
Gentoo Linux
Ubuntu
openEuler
firefox (Ubuntu package)
www-client/firefox
firefox
firefox-debuginfo
firefox-debugsource

Install updates from vendor's website.

Mozilla Firefox - update to 104.0
Firefox for Android - update to 104.1.0
firefox (Ubuntu package) - addressed in versions 104.0+build3-0ubuntu0.18.04.1, 104.0+build3-0ubuntu0.20.04.1
www-client/firefox - update to 104
firefox - update to 128.8.0-1
firefox-debuginfo - update to 128.8.0-1
firefox-debugsource - update to 128.8.0-1

• https://www.mozilla.org/en-US/security/advisories/mfsa2022-33/

• Multiple vulnerabilities in Mozilla Firefox
• Ubuntu update for firefox
• Gentoo update for Mozilla Firefox
• openEuler 22.03 LTS SP4 update for firefox
• openEuler 22.03 LTS SP3 update for firefox