CVE-2026-129479
Assimp through 6.0.6 Integer Overflow via OgreBinarySerializer::ReadSubMesh
Description
Assimp through 6.0.6 contains an integer overflow vulnerability in OgreBinarySerializer::ReadSubMesh that allows attackers to crash applications by supplying crafted Ogre binary .mesh files. Attackers can set a large index count so the 32-bit buffer size wraps, causing a segmentation fault in aiMesh::~aiMesh() during scene teardown.
INFO
Published Date :
Nov. 15, 2026, 1:12 p.m.
Last Modified :
Nov. 15, 2026, 1:12 p.m.
Remotely Exploit :
No
Source :
VulnCheck
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 3.1 | MEDIUM | MITRE-CVE | ||||
| CVSS 4.0 | MEDIUM | 83251b91-4cc7-4094-a5c7-464a1b83ea10 |
Solution
- Update Assimp to a patched version.
- Avoid parsing untrusted Ogre mesh files.
- Validate input mesh file sizes.
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CVE-2026-129479 vulnerability anywhere in the article.