Bug 2369039 (CVE-2025-5201)

Summary: CVE-2025-5201 assimp: Open Asset Import Library Assimp LWOLoader.cpp CountVertsAndFacesLWO2 out-of-bounds
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A fuzzer test discovered a heap based buffer overflow in the Open Asset Import Library Assimp on version 5.4.3. The LWOImporter::CountVertsAndFacesLWO2 function in the assimp/code/AssetLib/LWO/LWOLoader.cpp file is affected. The manipulation leads to out-of-bounds read, which can lead to an application crash. The attacker needs to be local in order to exploit this vulnerability.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2369173, 2369174, 2369176, 2369175    
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Description OSIDB Bzimport 2025-05-28 18:02:11 UTC 
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.