PoC Index

CVE-2024-21640

CRITICAL 9.6EPSS 0.6%

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.

CVSS v3.1
9.6 CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H
CVSS v3.1
5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
EPSS
0.55% chance of exploitation in the next 30 days, 44th percentile
Published
2024-01-13
Updated
2025-06-17

Proof-of-concept exploits (1)

References

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