CVE-2026-111128
Assimp through 6.0.5 NULL Pointer Dereference via Ogre Importer Bone Assignment
CVSS Score
5.5
EPSS Score
0.0%
EPSS Percentile
0th
Assimp through 6.0.5 contains a NULL pointer dereference vulnerability in the Ogre3D importer that allows attackers to crash applications via unvalidated bone indices in OgreStructs.cpp. Attackers can supply a crafted .mesh and .skeleton file referencing a missing bone, causing BoneById() to return null and crash the host process.
| CWE | CWE-476 |
| Vendor | assimp |
| Product | assimp |
| Published | Oct 15, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
assimp / assimp
0 ≤ 6.0.5
References
hackmd.io: https://hackmd.io/@haind-pwn/assimp-ogre-mesh-bone-submesh-null-deref github.com: https://github.com/assimp/assimp/blob/392a658f9c271be965271f45e7521a1b80ea4392/code/AssetLib/Ogre/OgreStructs.cpp#L621-L634 github.com: https://github.com/assimp/assimp/blob/392a658f9c271be965271f45e7521a1b80ea4392/code/AssetLib/Ogre/OgreStructs.cpp#L914-L921 github.com: https://github.com/assimp/assimp vulncheck.com: https://www.vulncheck.com/advisories/assimp-through-6.0.5-null-pointer-dereference-via-ogre-importer-bone-assignment
Credits
HaiND from the Post and Telecommunication Institute of Technology