Buffer overflow in Mozilla Firefox and Firefox for Android - CVE-2024-9403

Vulnerability identifier: #VU97929

CSH Severity: High

CVSS v4.0: 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/E:U/U:Amber

CVE-ID: CVE-2024-9403

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: No public exploit available

Affected software:
Mozilla Firefox
Firefox for Android
Gentoo Linux
Oracle Linux
Anolis OS
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Ubuntu
Fedora
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
www-client/firefox
firefox (Red Hat package)
thunderbird (Red Hat package)
thunderbird
firefox
mail-client/thunderbird
mail-client/thunderbird-bin
dev-lang/spidermonkey
firefox (Ubuntu package)
thunderbird (Ubuntu package)
Mozilla Thunderbird

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.

Install updates from vendor's website.

• https://www.mozilla.org/en-US/security/advisories/mfsa2024-46/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1917807