CVE-2024-21640 OOB Access in CefVideoConsumerOSR::OnFrameCaptured
An out-of-bounds read in CEF's video consumer allows attackers to read memory outside the sandbox boundaries.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-21640?
CVE-2024-21640 is a medium-severity memory corruption vulnerability in chromiumembedded cef, published on 13 Jan 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-125
Which versions are affected by CVE-2024-21640?
It affects 1 product.
Products include Chromiumembedded Chromium Embedded Framework.
How do I fix CVE-2024-21640?
No fix has been published for CVE-2024-21640 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2024-21640 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-21640 exists.
Other vulnerabilities in chromiumembedded cef
Sources
Also known as GHSA-3h3j-38xq-v7hh.