CVE-2025-5201 Details
Description
A vulnerability was found in Open Asset Import Library Assimp 5.4.3. It has been classified as problematic. Affected is the function LWOImporter::CountVertsAndFacesLWO2 of the file assimp/code/AssetLib/LWO/LWOLoader.cpp. The manipulation leads to out-of-bounds read. The attack needs to be approached locally. 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.
A heap out-of-bounds read vulnerability has been identified in Open Asset Import Library (Assimp) version 5.4.3. The issue arises in the function 'LWOImporter::CountVertsAndFacesLWO2' within the file 'LWOLoader.cpp'. The vulnerability occurs because the code does not properly verify the alignment of the end pointer, leading to out-of-bounds memory access. This flaw can be exploited locally and has been publicly disclosed.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed May 27, 2025References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/assimp/assimp/issues/6174 | CISA-ADP | ExploitIssue Tracking |
| https://github.com/assimp/assimp/issues/6128 | [email protected] | Issue Tracking |
| https://github.com/assimp/assimp/issues/6173 | [email protected] | ExploitIssue Tracking |
| https://github.com/user-attachments/files/20209125/line-832-reproducer.zip | [email protected] | Exploit |
| https://vuldb.com/?ctiid.310290 | [email protected] | Permissions RequiredThird Party AdvisoryVDB Entry |
| https://vuldb.com/?id.310290 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/?submit.578006 | [email protected] | Third Party AdvisoryVDB Entry |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-125 | Out-of-bounds Read | [email protected] |
| CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | [email protected] |
| CWE-125 | Out-of-bounds Read | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| assimp assimp | < 5.4.3 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 5, 2025 | Initial Analysis | [email protected] |
| May 28, 2025 | CVE Modified | CISA-ADP |
| May 26, 2025 | New CVE Received | [email protected] |