CVE-2024-21640
OOB Access in CefVideoConsumerOSR::OnFrameCaptured
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
OOB Access in CefVideoConsumerOSR::OnFrameCaptured
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.
- Record
CVE-2024-21640- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-125
- Updated
- 2026-11-02
EUVDEUVD-2024-19278
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.
- Record
EUVD-2024-19278- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Updated
- 2026-11-02
NVD
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.
- Record
CVE-2024-21640- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - CVSS 3.1
- 9.6 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
OSV
OOB Access in CefVideoConsumerOSR::OnFrameCaptured
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.
- Record
CVE-2024-21640- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-125
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-21640 is a medium vulnerability (CVSS 5.4) in Chromiumembedded Cef, published January 13, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.55%, the 46th percentile. No source names a fixed version.