CVE-2023-39928 HIGH

CVE-2023-39928

Vendor Webkit
Product Webkit
Weakness CWE-416
Published October 6, 2023
Last update November 4, 2025

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

A use-after-free vulnerability exists in the MediaRecorder API of Webkit WebKitGTK 2.40.5. A specially crafted web page can abuse this vulnerability to cause memory corruption and potentially arbitrary code execution. A user would need to to visit a malicious webpage to trigger this vulnerability.

Key dates

02Disclosure timeline

October 6, 2023 CVE published
November 4, 2025 Record updated