CVE-2026-41988 Memory corruption in uuid
Attackers can trigger unexpected memory writes in the uuid library when using specific UUID versions with external buffers, potentially corrupting data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-41988?
CVE-2026-41988 is a low-severity memory corruption vulnerability in uuidjs uuid, published on 23 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
uuid before 14.0.0 can make unexpected writes when external output buffers are used, and the UUID version is 3, 5, or 6. In particular, UUID version 4, which is very commonly used, is unaffected by this issue.
Weakness: CWE-670
Which versions are affected by CVE-2026-41988?
It affects 1 product.
Products include Uuidjs Uuid.
How do I fix CVE-2026-41988?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-41988 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-41988 exists.
Other vulnerabilities in uuidjs uuid
Sources
Also known as CLEANSTART-2026-JG00673, DEBIAN-CVE-2026-41988, UBUNTU-CVE-2026-41988.