CVE-2024-21639

critical

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.

References

https://github.com/chromiumembedded/cef/security/advisories/GHSA-m375-jw5x-x8mg

https://github.com/chromiumembedded/cef/commit/1f55d2e12f62cfdfbf9da6968fde2f928982670b

Details

Source: Mitre, NVD

Published: 2024-01-12

Updated: 2024-01-22

Risk Information

CVSS v2

Base Score: 8.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:N/A:C

Severity: High

CVSS v3

Base Score: 9.6

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H

Severity: Critical