CVE-2025-3159
Open Asset Import Library Assimp ASE File ASEParser.cpp ParseLV4MeshBonesVertices heap-based overflow
- Published
- Updated
- Reserved
- Assigned by
- VulDB
Description
A vulnerability, which was classified as critical, was found in Open Asset Import Library Assimp 5.4.3. This affects the function Assimp::ASE::Parser::ParseLV4MeshBonesVertices of the file code/AssetLib/ASE/ASEParser.cpp of the component ASE File Handler. The manipulation leads to heap-based buffer overflow. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used. The identifier of the patch is e8a6286542924e628e02749c4f5ac4f91fdae71b. It is recommended to apply a patch to fix this issue.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulDBCNA (assigner) | 4.0 | Medium4.8 | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N |
| VulDBCNA (assigner) | 3.1 | Medium5.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
| VulDBCNA (assigner) | 3.0 | Medium5.3 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
| VulDBCNA (assigner) | 2.0 | Medium4.3 | AV:L/AC:L/Au:S/C:P/I:P/A:P |
| NVDNVD · Analyzed | 4.0 | Medium4.8 | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
- EPSS (exploitation in 30 days)
- 0.34% · top 73% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.8.
Weakness
Affected products
Open Asset Import Library · Assimp
- affected 5.4.3
References (7)
- VDB-303105 | Open Asset Import Library Assimp ASE File ASEParser.cpp ParseLV4MeshBonesVertices heap-based overflow (opens in a new tab)vdb-entrytechnical-description
- VDB-303105 | CTI Indicators (IOB, IOC, IOA) (opens in a new tab)signaturepermissions-required
- Submit #542247 | Open Asset Import Library Assimp >=5.4.3 Heap-based Buffer Overflow (opens in a new tab)third-party-advisory
- https://github.com/assimp/assimp/issues/6024 (opens in a new tab)issue-tracking
- https://github.com/assimp/assimp/pull/6051 (opens in a new tab)issue-tracking
- https://github.com/assimp/assimp/issues/6024#issue-2877382033 (opens in a new tab)exploitissue-tracking
- https://github.com/tellypresence/assimp/commit/e8a6286542924e628e02749c4f5ac4f91fdae71b (opens in a new tab)patch
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2025-3159)Record last updated .