Type Confusion in Mozilla products - CVE-2024-4367

 

Type Confusion in Mozilla products - CVE-2024-4367

Published: May 15, 2024 / Updated: December 13, 2024


Vulnerability identifier: #VU89537
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:P/U:Amber
CVE-ID: CVE-2024-4367
CWE-ID: CWE-843
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vendor: Mozilla
Affected software:
Mozilla Firefox
Firefox ESR
Firefox for Android

Detailed vulnerability description

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

The vulnerability exists due to a type confusion error when handling fonts in PDF.js. A remote attacker can trick the victim to visit a specially crafted website, trigger a type confusion error and execute arbitrary code on the target system.

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


How to mitigate CVE-2024-4367

Install updates from vendor's website.

Sources