CVE-2025-3791 symisc UnQLite unqlite.c jx9MemObjStore heap-based overflow
A heap-based buffer overflow in UnQLite allows local attackers to execute arbitrary code or cause denial of service.
- 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-2025-3791?
CVE-2025-3791 is a medium-severity memory corruption vulnerability in symisc UnQLite, published on 18 Apr 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability classified as critical was found in symisc UnQLite up to 957c377cb691a4f617db9aba5cc46d90425071e2. This vulnerability affects the function jx9MemObjStore of the file /data/src/benchmarks/unqlite/unqlite.c. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available.
Which versions are affected by CVE-2025-3791?
How do I fix CVE-2025-3791?
No fix has been published for CVE-2025-3791 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-2025-3791 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-3791 exists.
Sources
Also known as GHSA-fg69-m383-f979.