CVE-2026-19999

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Source
https://cve.org/CVERecord?id=CVE-2026-19999
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-19999.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-19999
Downstream
Published
2026-08-17T07:30:12.422Z
Modified
2026-08-20T10:17:11.468798Z
Severity
  • 2.1 (Low) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P CVSS Calculator
Summary
Open Asset Import Library Assimp 3DGS MDL7 Bone Transformation Key MDLLoader.cpp ParseBoneTrafoKeys_3DGS_MDL7 buffer overflow
Details

A security vulnerability has been detected in Open Asset Import Library Assimp Assimp 17c12da. The affected element is the function Assimp::MDLImporter::ParseBoneTrafoKeys3DGSMDL7 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.

Database specific 
{
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "introduced": "17c12da"
                },
                {
                    "last_affected": "17c12da"
                }
            ],
            "source": "AFFECTED_FIELD"
        }
    ],
    "cna_assigner": "VulDB",
    "cwe_ids": [
        "CWE-119",
        "CWE-120"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/19xxx/CVE-2026-19999.json"
}
References

Affected packages

Git / github.com/assimp/assimp

Affected ranges

Type
GIT
Repo
https://github.com/assimp/assimp
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
50d767984e78d51b53e2020fdf0967fd624bc377
Database specific
Show details 
{
    "source": "REFERENCES"
}

Affected versions

5.*
5.2.0
Release3.*
Release3.1_RC1
v.*
v.5.0.0.rc1
v.5.0.0.rc2
v3.*
v3.1-rc2
v3.1.1
v3.2
v3.3
v3.3.1
v4.*
v4.0.0
v4.0.0.rc1
v4.1.0
v5.*
v5.0.0
v5.1.0
v5.1.0.rc1
v5.1.1
v5.1.2
v5.1.3
v5.1.4
v5.1.5
v5.1.6
v5.2.0
v5.2.1
v5.2.2
v5.2.3
v5.2.4
v5.2.5
v5.3.0
v5.3.1
v5.4.0
v5.4.1
v5.4.2
v5.4.3
v6.*
v6.0.0
v6.0.1
v6.0.2
v6.0.3
v6.0.4
v6.0.5

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-19999.json"
vanir_signatures 
[
    {
        "target": {
            "function": "MDLImporter::ParseBoneTrafoKeys_3DGS_MDL7",
            "file": "code/AssetLib/MDL/MDLLoader.cpp"
        },
        "deprecated": false,
        "source": "https://github.com/assimp/assimp/commit/50d767984e78d51b53e2020fdf0967fd624bc377",
        "id": "CVE-2026-19999-7bb7691c",
        "signature_version": "v1",
        "digest": {
            "length": 926.0,
            "function_hash": "5495975669614264148557837288916857401"
        },
        "signature_type": "Function"
    },
    {
        "target": {
            "file": "code/AssetLib/MDL/MDLLoader.cpp"
        },
        "deprecated": false,
        "source": "https://github.com/assimp/assimp/commit/50d767984e78d51b53e2020fdf0967fd624bc377",
        "id": "CVE-2026-19999-99c79f30",
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "60147673863859472964025175048955011530",
                "114745889357902353131412925246105464175",
                "221108965136160599685895925201538298811",
                "317672742796649969845944622724439616421",
                "75468550579677598711910523251010593905"
            ]
        },
        "signature_type": "Line"
    }
]
vanir_signatures_modified 
"2026-08-20T10:17:11Z"