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Description

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.

PUBLISHED Reserved 2026-05-31 | Published 2026-06-01 | Updated 2026-06-01 | Assigner VulDB




MEDIUM: 4.8CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
MEDIUM: 5.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
MEDIUM: 5.3CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
4.3AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Heap-based Buffer Overflow

Memory Corruption

Timeline

2026-05-31:Advisory disclosed
2026-05-31:VulDB entry created
2026-05-31:VulDB entry last update

Credits

TYGLS (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/367508 (VDB-367508 | Assimp Half-Life 1 MDL Loader HL1MDLLoader.cpp read_meshes heap-based overflow) vdb-entry technical-description

vuldb.com/vuln/367508/cti (VDB-367508 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/cve/CVE-2026-10229 (CVE-2026-10229 | CVE Analysis and Report) third-party-advisory

vuldb.com/submit/821189 (Submit #821189 | Assimp commit 17c12da Heap-based Buffer Overflow) third-party-advisory

github.com/assimp/assimp/issues/6614 issue-tracking

github.com/user-attachments/files/27194364/poc.zip exploit

github.com/assimp/assimp/ product

cve.org (CVE-2026-10229)

nvd.nist.gov (CVE-2026-10229)

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