A vulnerability has been found in Assimp up to 6.0.4. Affected by this issue is the function glTF2::LazyDict in the library glTF2Asset.h. Such manipulation of the argument operator[] leads to null pointer dereference. The attack must be carried out locally. The exploit has been disclosed to the public and may be used. The name of the patch is d24b85319bd70c65883a2b96613e07e23fb95981. It is best practice to apply a patch to resolve this issue.
Weakness
The product does not release or incorrectly releases a resource before it is made available for re-use.
Potential Mitigations
- Use a language that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
- For example, languages such as Java, Ruby, and Lisp perform automatic garbage collection that releases memory for objects that have been deallocated.
Related Attack Patterns
- https://cwe.mitre.org/data/definitions/125.html
- https://cwe.mitre.org/data/definitions/130.html
- https://cwe.mitre.org/data/definitions/131.html
- https://cwe.mitre.org/data/definitions/494.html
- https://cwe.mitre.org/data/definitions/495.html
- https://cwe.mitre.org/data/definitions/496.html
- https://cwe.mitre.org/data/definitions/666.html
References
- https://github.com/assimp/assimp/
- https://github.com/assimp/assimp/commit/d24b85319bd70c65883a2b96613e07e23fb95981
- https://github.com/assimp/assimp/issues/6611
- https://github.com/assimp/assimp/pull/6646
- https://github.com/user-attachments/files/27194148/poc.zip
- https://vuldb.com/cve/CVE-2026-10199
- https://vuldb.com/submit/821179
- https://vuldb.com/vuln/367479
- https://vuldb.com/vuln/367479/cti