CVE-2026-24795 An Out-of-bounds Write in CloverHackyColor/CloverBootloader
An out-of-bounds write in CloverBootloader allows attackers to execute arbitrary code or escalate privileges via the Oniguruma regex module.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-24795?
CVE-2026-24795 is a medium-severity memory corruption vulnerability in CloverHackyColor CloverBootloader, published on 27 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Out-of-bounds Write vulnerability in CloverHackyColor CloverBootloader (MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma modules). This vulnerability is associated with program files regcomp.C.
This issue affects CloverBootloader: before 5162.
Weakness: CWE-787
Which versions are affected by CVE-2026-24795?
How do I fix CVE-2026-24795?
No fix has been published for CVE-2026-24795 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-2026-24795 being exploited?
There is no known exploitation of CVE-2026-24795 in the wild and no public exploit code.
Sources
Also known as GHSA-mq76-p4g2-27qg.