CVE-2026-19999

Open Asset Import Library Assimp 3DGS MDL7 Bone Transformation Key MDLLoader.cpp ParseBoneTrafoKeys_3DGS_MDL7 buffer overflow

MEDIUM
6.3
CVSS Score
Published: August 17, 2026 at 07:30 AM UTC
Updated: August 20, 2026 at 01:05 PM UTC
1 product affected across 1 vendorAssimp

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Severity
MEDIUM6.3
Exploit prediction
EPSS 0.3%
SSVC
PoC

Description

A security vulnerability has been detected in Open Asset Import Library Assimp Assimp 17c12da. The affected element is the function Assimp::MDLImporter::ParseBoneTrafoKeys_3DGS_MDL7 of the file code/AssetLib/MDL/MDLLoader.cpp of the component 3DGS MDL7 Bone Transformation Key Parser. The manipulation of the argument transmatrix_count/pcBoneTransforms leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The identifier of the patch is 50d767984e78d51b53e2020fdf0967fd624bc377. It is recommended to apply a patch to fix this issue.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (8)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/391200
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/391200/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-19999
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/873132
Issue Tracking
Source: cverecord
https://github.com/assimp/assimp/issues/6633
Issue TrackingPatch
Source: cverecord
https://github.com/assimp/assimp/pull/6759

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-120CWE-119

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