CVE-2026-129478
Assimp through 6.0.6 Heap Out-of-Bounds Read via glTF ParseDataURI
Description
Assimp through 6.0.6 contains a heap out-of-bounds read vulnerability in glTFCommon::Util::ParseDataURI caused by storing the data offset in a signed char. Attackers can supply a crafted glTF file with a raw data URI whose segment starts beyond byte 127 to crash applications or leak adjacent heap memory.
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 version 6.0.7 or later.
- Apply vendor-provided patches if available.
- Review input validation for raw data URIs.
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