A security flaw has been discovered in Assimp up to 6.0.4. Affected is the function HL1MDLLoader::extract_anim_value of the file HL1MDLLoader.cpp of the component Half-Life 1 MDL Loader. Performing a manipulation of the argument num.total results in heap-based buffer overflow. The attack must be initiated from a local position. The exploit has been released to the public and may be used for attacks. The project tagged the reported issue as bug.

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Mon, 01 Jun 2026 07:30:00 +0000

Type Values Removed Values Added
Description A security flaw has been discovered in Assimp up to 6.0.4. Affected is the function HL1MDLLoader::extract_anim_value of the file HL1MDLLoader.cpp of the component Half-Life 1 MDL Loader. Performing a manipulation of the argument num.total results in heap-based buffer overflow. The attack must be initiated from a local position. The exploit has been released to the public and may be used for attacks. The project tagged the reported issue as bug.
Title Assimp Half-Life 1 MDL Loader HL1MDLLoader.cpp extract_anim_value heap-based overflow
First Time appeared Assimp
Assimp assimp
Weaknesses CWE-119
CWE-122
CPEs cpe:2.3:a:assimp:assimp:*:*:*:*:*:*:*:*
Vendors & Products Assimp
Assimp assimp
References
Metrics cvssV2_0

{'score': 4.3, 'vector': 'AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 5.3, 'vector': 'CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 4.8, 'vector': 'CVSS: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'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-06-01T06:15:09.689Z

Reserved: 2026-05-31T08:10:59.414Z

Link: CVE-2026-10231

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-06-01T08:16:19.410

Modified: 2026-06-01T08:16:19.410

Link: CVE-2026-10231

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-01T08:30:24Z

Weaknesses