Buffer overflow in Firefox for Android and Mozilla Firefox - CVE-2023-6213

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Main Vulnerability Database Vulnerabilities #VU83376

Buffer overflow in Firefox for Android and Mozilla Firefox - CVE-2023-6213

Published: November 21, 2023


Vulnerability identifier: #VU83376
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-6213
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing HTML content. A remote attacker can create a specially crafted website, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

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

How to mitigate CVE-2023-6213

Install updates from vendor's website.

Firefox for Android - update to 120.0
Mozilla Firefox - update to 120.0
Oracle Solaris - update to 11.4 SRU 65
www-client/firefox - update to 104
firefox (Ubuntu package) - addressed in versions 120.0+build2-0ubuntu0.20.04.1, 120.0.1+build1-0ubuntu0.20.04.1
firefox-flatpak - addressed in versions 120.0-1, 120.0-2
firefox - addressed in versions 120.0-2.fc37, 120.0-2.fc38, 120.0-2.fc39, 120.0-3.fc37
firefox - update to 128.8.0-1
firefox-debuginfo - update to 128.8.0-1
firefox-debugsource - update to 128.8.0-1

External References

Related Security Bulletins