CVE-2025-5202 Details
Description
A vulnerability was found in Open Asset Import Library Assimp 5.4.3. It has been declared as problematic. Affected by this vulnerability is the function HL1MDLLoader::validate_header of the file assimp/code/AssetLib/MDL/HalfLife/HL1MDLLoader.cpp. The manipulation leads to out-of-bounds read. An attack has 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 HL1MDLLoader::validate_header within the file HL1MDLLoader.cpp. This vulnerability occurs because the function does not properly check the size of the read file before accessing the buffer, leading to an out-of-bounds memory read. The vulnerability can be exploited locally, and a proof-of-concept exploit is publicly available.
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
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| 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/6174 | [email protected] | ExploitIssue Tracking |
| https://github.com/user-attachments/files/20209236/reproducer.zip | [email protected] | Exploit |
| https://vuldb.com/?ctiid.310291 | [email protected] | Permissions RequiredThird Party AdvisoryVDB Entry |
| https://vuldb.com/?id.310291 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/?submit.578007 | [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
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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] |