CVE-2024-21640
CVE-2024-21640 is a medium-severity vulnerability in Chromiumembedded Chromium Embedded Framework with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.
Key facts
- Severity: Medium (CVSS 3.x base score 5.4)
- EPSS exploit prediction: 1% (42nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-19278
- Weakness: CWE-125
- Affected product: Chromiumembedded Chromium Embedded Framework
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2024-21640?
- 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.
- How severe is CVE-2024-21640?
- CVE-2024-21640 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2024-21640 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-21640?
- CVE-2024-21640 affects Chromiumembedded Chromium Embedded Framework. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2024-21640?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2024-21640 have an EU (EUVD) identifier?
- Yes. CVE-2024-21640 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19278.
- When was CVE-2024-21640 published?
- CVE-2024-21640 was published on 2024-01-13 and last updated on 2026-06-17.
References
- https://github.com/chromiumembedded/cef/commit/1f55d2e12f62cfdfbf9da6968fde2f928982670b
- https://github.com/chromiumembedded/cef/security/advisories/GHSA-3h3j-38xq-v7hh
Affected products (1)
- cpe:2.3:a:chromiumembedded:chromium_embedded_framework:*:*:*:*:*:*:*:*
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- CVE-2024-21639 — Medium (CVSS 5.3): CEF (Chromium Embedded Framework ) is a simple framework for embedding Chromium-based browsers in other applications.…
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