CVE-2026-111128
CVE-2026-111128 · Assimp through 6.0.5 NULL Pointer Dereference via Ogre Importer Bone Assignment
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 6.8 · Medium · EPSS 0.2%
- Published
- Updated
Stack: system
Affected products and versions
assimp
- Versions
- ≥ 0, ≤ 6.0.5: Affected (semver)
No fix published
assimp Debian:12
- Versions
- 5.2.5~ds0-1
- 5.2.5~ds0-1.1
- 5.3.1+ds-1
- 5.3.1+ds-2
- 5.4.0+ds-1
- 5.4.1+ds-1
- 5.4.2+ds-1
- 5.4.3+ds-2
- 5.4.3+ds-3
- 6.0.2+ds-1
- 6.0.3+ds-1
- 6.0.4+ds-1
- 6.0.4+ds-3
- 6.0.5+ds-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
assimp Debian:13
- Versions
- 5.4.3+ds-2
- 5.4.3+ds-3
- 6.0.2+ds-1
- 6.0.3+ds-1
- 6.0.4+ds-1
- 6.0.4+ds-3
- 6.0.5+ds-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
assimp Debian:14
- Versions
- 5.4.3+ds-2
- 5.4.3+ds-3
- 6.0.2+ds-1
- 6.0.3+ds-1
- 6.0.4+ds-1
- 6.0.4+ds-3
- 6.0.5+ds-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
assimp Ubuntu:16.04:LTS
- Versions
- 3.0~dfsg-4ubuntu4
- 3.1.1~dfsg-5
- 3.2~dfsg-1
- 3.2~dfsg-2
- 3.2~dfsg-3
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
assimp Ubuntu:18.04:LTS
- Versions
- 3.3.1~dfsg-5
- 3.3.1~dfsg-5ubuntu1
- 3.3.1~dfsg-5+build1
- 4.0.1~dfsg-1~exp2
- 4.0.1~dfsg-1
- 4.1.0~dfsg-1
- 4.1.0~dfsg-2
- 4.1.0~dfsg-3
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
assimp Ubuntu:20.04:LTS
- Versions
- 4.1.0~dfsg-5
- 4.1.0~dfsg-5ubuntu1
- 5.0.1~ds0-1build1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
assimp Ubuntu:22.04:LTS
- Versions
- 5.0.1~ds0-2
- 5.0.1~ds0-3ubuntu1
- 5.1.4~ds0-1
- 5.1.5~ds0-1
- 5.1.6~ds0-1
- 5.2.0~ds0-2
- 5.2.1~ds0-1
- 5.2.2~ds0-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
assimp Ubuntu:24.04:LTS
- Versions
- 5.2.5~ds0-1.1build1
- 5.3.1+ds-1
- 5.3.1+ds-2
- 5.3.1+ds-2build1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
assimp Ubuntu:26.10
- Versions
- 6.0.4+ds-1build1
- 6.0.5+ds-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
assimp Ubuntu:26.04:LTS
- Versions
- 5.4.3+ds-2
- 6.0.2+ds-1
- 6.0.3+ds-1
- 6.0.4+ds-1
- 6.0.4+ds-1build1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
Original sources
- https://hackmd.io/@haind-pwn/assimp-ogre-mesh-bone-submesh-null-deref
- https://github.com/assimp/assimp/blob/392a658f9c271be965271f45e7521a1b80ea4392/code/AssetLib/Ogre/OgreStructs.cpp#L621-L634
- https://github.com/assimp/assimp/blob/392a658f9c271be965271f45e7521a1b80ea4392/code/AssetLib/Ogre/OgreStructs.cpp#L914-L921
- https://github.com/assimp/assimp
- https://www.vulncheck.com/advisories/assimp-through-6.0.5-null-pointer-dereference-via-ogre-importer-bone-assignment
- https://nvd.nist.gov/vuln/detail/CVE-2026-111128