CVE-2024-21640 MEDIUM

CVE-2024-21640: OOB Access in CefVideoConsumerOSR::OnFrameCaptured

Vendor Chromiumembedded
Product cef
Weakness CWE-125
Published January 13, 2024
Last update June 17, 2025

CVSS base score

5.4/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Chromium Embedded Framework (CEF) is a simple framework for embedding Chromium-based browsers in other applications.`CefVideoConsumerOSR::OnFrameCaptured` does not check `pixel_format` properly, which leads to out-of-bounds read out of the sandbox. This vulnerability was patched in commit 1f55d2e.

Key dates

02Disclosure timeline

January 13, 2024 CVE published
June 17, 2025 Record updated