Buffer overflow in Mozilla Firefox - CVE-2023-25745

Vulnerability identifier: #VU72265

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-2023-25745

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: No public exploit available

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

The vulnerability exists due to a boundary error when processing web 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.

Mozilla Firefox
Gentoo Linux
Ubuntu
Firefox for Android
Firefox Focus for Android
mail-client/thunderbird
mail-client/thunderbird-bin
firefox (Ubuntu package)

Install updates from vendor's website.

Mozilla Firefox - update to 110.0
Firefox for Android - update to 110.0
Firefox Focus for Android - update to 110.0.1
mail-client/thunderbird - update to 102.10.0
mail-client/thunderbird-bin - update to 102.10.0
firefox (Ubuntu package) - addressed in versions 110.0+build3-0ubuntu0.18.04.1, 110.0+build3-0ubuntu0.20.04.1, 110.0.1+build2-0ubuntu0.18.04.1, 110.0.1+build2-0ubuntu0.20.04.1

• https://www.mozilla.org/en-US/security/advisories/mfsa2023-05/

• Multiple vulnerabilities in Mozilla Firefox and Firefox ESR
• Multiple vulnerabilities in Firefox for Android
• Multiple vulnerabilities in Firefox Focus for Android
• Ubuntu update for firefox
• Ubuntu update for firefox
• Gentoo update for Mozilla Thunderbird