CVE-2025-11275 Open Asset Import Library Assimp OpenDDLParserUtils.h getNextSeparator heap-based overflow
A heap-based buffer overflow in Assimp's OpenDDL parser allows local attackers to execute arbitrary code or cause denial of service via crafted files.
- 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-2025-11275?
CVE-2025-11275 is a medium-severity memory corruption vulnerability in Open Asset Import Library Assimp, published on 5 Oct 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability was identified in Open Asset Import Library Assimp 6.0.2. Affected by this vulnerability is the function ODDLParser::getNextSeparator in the library assimp/contrib/openddlparser/include/openddlparser/OpenDDLParserUtils.h. Such manipulation leads to heap-based buffer overflow. The attack must be carried out locally. The exploit is publicly available and might be used.
Which versions are affected by CVE-2025-11275?
1 open source package ship an affected version, including pyassimp. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
pyassimp PyPI | All versions to 6.0.2 | None |
Products include Assimp Assimp.
How do I fix CVE-2025-11275?
No fix has been published for CVE-2025-11275 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-2025-11275 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-11275 exists.
Other vulnerabilities in Open Asset Import Library Assimp
Sources
Also known as DEBIAN-CVE-2025-11275, GHSA-vxpx-mqx4-f9h3, PYSEC-2025-156, UBUNTU-CVE-2025-11275.