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CVE-2025-5203
Open Asset Import Library Assimp ParsingUtils.h SkipSpaces out-of-bounds
Medium4.8EPSS 0.30%
- Published
- Updated
- Reserved
- Assigned by
- VulDB
Description
A vulnerability was found in Open Asset Import Library Assimp 5.4.3. It has been rated as problematic. Affected by this issue is the function SkipSpaces in the library assimp/include/assimp/ParsingUtils.h. The manipulation leads to out-of-bounds read. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The project decided to collect all Fuzzer bugs in a main-issue to address them in the future.
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:N/VI:N/VA:L/SC:N/SI:N/SA:N |
| VulDBCNA (assigner) | 3.1 | Low3.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |
| VulDBCNA (assigner) | 3.0 | Low3.3 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |
| VulDBCNA (assigner) | 2.0 | Low1.7 | AV:L/AC:L/Au:S/C:N/I:N/A:P |
| NVDNVD · Analyzed | 4.0 | Medium4.8 | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/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)
- 0.30% · top 77% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: no · Technical impact: partial
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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 (6)
- VDB-310292 | Open Asset Import Library Assimp ParsingUtils.h SkipSpaces out-of-bounds (opens in a new tab)vdb-entrytechnical-description
- VDB-310292 | CTI Indicators (IOB, IOC, IOA) (opens in a new tab)signaturepermissions-required
- Submit #578012 | Open Asset Import Library Assimp 5.4.3 Heap Out of Bounds Read (opens in a new tab)third-party-advisory
- https://github.com/assimp/assimp/issues/6175 (opens in a new tab)issue-trackingexploit
- https://github.com/assimp/assimp/issues/6128 (opens in a new tab)issue-tracking
- https://github.com/user-attachments/files/20209469/reproducer.zip (opens in a new tab)exploit
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-2025-5203)Record last updated .