CVE-2025-11010 vstakhov libucl ucl_util.c ucl_include_common heap-based overflow
A heap-based buffer overflow in libucl allows local attackers to execute arbitrary code or cause denial of service via crafted input.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-11010?
CVE-2025-11010 is a medium-severity memory corruption vulnerability in vstakhov libucl, published on 26 Sep 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability has been found in vstakhov libucl up to 0.9.2. Affected by this vulnerability is the function ucl_include_common of the file /src/ucl_util.c. Such manipulation leads to heap-based buffer overflow. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used.
Which versions are affected by CVE-2025-11010?
How do I fix CVE-2025-11010?
No fix has been published for CVE-2025-11010 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-2025-11010 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-11010 exists.
Sources
Also known as GHSA-q7r9-4c9w-4548.