{"id":"CVE-2024-21640","aliases":["EUVD-2024-19278","GHSA-3h3j-38xq-v7hh"],"status":"published","title":"OOB Access in CefVideoConsumerOSR::OnFrameCaptured","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.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00551,"percentile":0.46427,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2024-01-13T07:40:10Z","modified":"2026-10-28T10:40:03Z","products":[{"vendor":"chromiumembedded","product":"cef"},{"vendor":"chromiumembedded","product":"chromium_embedded_framework"}],"references":[{"url":"https://github.com/chromiumembedded/cef/security/advisories/GHSA-3h3j-38xq-v7hh","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Vendor Advisory","advisory"]},{"url":"https://github.com/chromiumembedded/cef/commit/1f55d2e12f62cfdfbf9da6968fde2f928982670b","tags":["x_refsource_MISC","x_transferred","Patch","fix"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/21xxx/CVE-2024-21640.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-21640","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2024-21640","title":"OOB Access in CefVideoConsumerOSR::OnFrameCaptured","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.\n\n","status":"published","published":"2024-01-13T07:40:10.324Z","modified":"2025-06-17T21:09:22.073Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:34:04.681315Z"}],"euvd":[{"id":"EUVD-2024-19278","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.\n\n","status":"published","published":"2024-01-13T07:40:10Z","modified":"2025-06-17T21:09:22Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T20:32:21.000623Z"}],"nvd":[{"id":"CVE-2024-21640","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.\n\n","status":"published","published":"2024-01-13T08:15:07.34Z","modified":"2026-06-17T07:09:54.303Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:09:30.070039Z"}],"osv":[{"id":"CVE-2024-21640","title":"OOB Access in CefVideoConsumerOSR::OnFrameCaptured","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.\n\n","status":"published","published":"2024-01-13T07:40:10.324Z","modified":"2026-10-28T10:40:03.714836949Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:44:38.577405Z"}]}}