CVE-2024-21639
CEF (Chromium Embedded Framework ) is a simple framework for embedding Chromium-based browsers in other applications. `CefLayeredWindowUpdaterOSR::OnAllocatedSharedMemory` does not check the size of the shared memory, which leads to out-of-bounds read…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.70%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
CEF (Chromium Embedded Framework ) is a simple framework for embedding Chromium-based browsers in other applications. `CefLayeredWindowUpdaterOSR::OnAllocatedSharedMemory` does not check the size of the shared memory, which leads to out-of-bounds read outside the sandbox. This vulnerability was patched in commit 1f55d2e.
- CVSS 3.1
- 9.6 CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H
- EPSS
- 0.70% probability · 51th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- chromiumembedded/chromium embedded framework
- Source
- security-advisories@github.com
References
- https://github.com/chromiumembedded/cef/commit/1f55d2e12f62cfdfbf9da6968fde2f928982670bPatch
- https://github.com/chromiumembedded/cef/security/advisories/GHSA-m375-jw5x-x8mgExploit, Vendor Advisory
- https://github.com/chromiumembedded/cef/commit/1f55d2e12f62cfdfbf9da6968fde2f928982670bPatch
- https://github.com/chromiumembedded/cef/security/advisories/GHSA-m375-jw5x-x8mgExploit, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.