Bug 2486785 (CVE-2026-10229)

Summary: CVE-2026-10229 assimp: Assimp: Heap-based buffer overflow in Half-Life 1 MDL Loader
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: rhel-process-autobot, watson-tool-maintainers
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in Assimp, a library used for importing and exporting various 3D model formats. This vulnerability, a heap-based buffer overflow, exists within the HL1MDLLoader::read_meshes function of the Half-Life 1 MDL Loader component. A local attacker could exploit this by providing specially crafted input, which may lead to a denial of service, information disclosure, or other impacts on system integrity.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2487525    
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Description OSIDB Bzimport 2026-06-09 08:57:17 UTC
A vulnerability was determined in Assimp up to 6.0.4. This affects the function HL1MDLLoader::read_meshes of the file HL1MDLLoader.cpp of the component Half-Life 1 MDL Loader. This manipulation causes heap-based buffer overflow. The attack is restricted to local execution. The exploit has been publicly disclosed and may be utilized. The project tagged the reported issue as bug.