ubuntu-cve-2026-19999
Vulnerability from osv_ubuntu
Published
2026-08-17 08:16
Modified
2026-08-19 11:01
Summary
Details
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.
Severity
6.3 (Medium)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "assimp-utils",
"binary_version": "3.2~dfsg-3"
},
{
"binary_name": "libassimp3v5",
"binary_version": "3.2~dfsg-3"
},
{
"binary_name": "python-pyassimp",
"binary_version": "3.2~dfsg-3"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "assimp",
"purl": "pkg:deb/ubuntu/assimp@3.2~dfsg-3?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3.0~dfsg-4ubuntu4",
"3.1.1~dfsg-5",
"3.2~dfsg-1",
"3.2~dfsg-2",
"3.2~dfsg-3"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "assimp-utils",
"binary_version": "4.1.0~dfsg-3"
},
{
"binary_name": "libassimp4",
"binary_version": "4.1.0~dfsg-3"
},
{
"binary_name": "python-pyassimp",
"binary_version": "4.1.0~dfsg-3"
},
{
"binary_name": "python3-pyassimp",
"binary_version": "4.1.0~dfsg-3"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "assimp",
"purl": "pkg:deb/ubuntu/assimp@4.1.0~dfsg-3?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3.3.1~dfsg-5",
"3.3.1~dfsg-5ubuntu1",
"3.3.1~dfsg-5+build1",
"4.0.1~dfsg-1~exp2",
"4.0.1~dfsg-1",
"4.1.0~dfsg-1",
"4.1.0~dfsg-2",
"4.1.0~dfsg-3"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "assimp-testmodels",
"binary_version": "5.0.1~ds0-1build1"
},
{
"binary_name": "assimp-utils",
"binary_version": "5.0.1~ds0-1build1"
},
{
"binary_name": "libassimp5",
"binary_version": "5.0.1~ds0-1build1"
},
{
"binary_name": "python3-pyassimp",
"binary_version": "5.0.1~ds0-1build1"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "assimp",
"purl": "pkg:deb/ubuntu/assimp@5.0.1~ds0-1build1?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4.1.0~dfsg-5",
"4.1.0~dfsg-5ubuntu1",
"5.0.1~ds0-1build1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "assimp-testmodels",
"binary_version": "5.2.2~ds0-1"
},
{
"binary_name": "assimp-utils",
"binary_version": "5.2.2~ds0-1"
},
{
"binary_name": "libassimp5",
"binary_version": "5.2.2~ds0-1"
},
{
"binary_name": "python3-pyassimp",
"binary_version": "5.2.2~ds0-1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "assimp",
"purl": "pkg:deb/ubuntu/assimp@5.2.2~ds0-1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"5.0.1~ds0-2",
"5.0.1~ds0-3ubuntu1",
"5.1.4~ds0-1",
"5.1.5~ds0-1",
"5.1.6~ds0-1",
"5.2.0~ds0-2",
"5.2.1~ds0-1",
"5.2.2~ds0-1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "assimp-testmodels",
"binary_version": "5.3.1+ds-2build1"
},
{
"binary_name": "assimp-utils",
"binary_version": "5.3.1+ds-2build1"
},
{
"binary_name": "libassimp5",
"binary_version": "5.3.1+ds-2build1"
},
{
"binary_name": "python3-pyassimp",
"binary_version": "5.3.1+ds-2build1"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "assimp",
"purl": "pkg:deb/ubuntu/assimp@5.3.1+ds-2build1?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"5.2.5~ds0-1.1build1",
"5.3.1+ds-1",
"5.3.1+ds-2",
"5.3.1+ds-2build1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "assimp-testmodels",
"binary_version": "6.0.4+ds-1build1"
},
{
"binary_name": "assimp-utils",
"binary_version": "6.0.4+ds-1build1"
},
{
"binary_name": "libassimp6",
"binary_version": "6.0.4+ds-1build1"
},
{
"binary_name": "python3-pyassimp",
"binary_version": "6.0.4+ds-1build1"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "assimp",
"purl": "pkg:deb/ubuntu/assimp@6.0.4+ds-1build1?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"5.4.3+ds-2",
"6.0.2+ds-1",
"6.0.3+ds-1",
"6.0.4+ds-1",
"6.0.4+ds-1build1"
]
}
],
"aliases": [],
"details": "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.",
"id": "UBUNTU-CVE-2026-19999",
"modified": "2026-08-19T11:01:27Z",
"published": "2026-08-17T08:16:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2026-19999"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-19999"
},
{
"type": "REPORT",
"url": "https://github.com/assimp/assimp/commit/50d767984e78d51b53e2020fdf0967fd624bc377"
},
{
"type": "REPORT",
"url": "https://github.com/assimp/assimp/issues/6633"
},
{
"type": "REPORT",
"url": "https://github.com/assimp/assimp/pull/6759"
},
{
"type": "REPORT",
"url": "https://github.com/user-attachments/files/27429337/poc.zip"
},
{
"type": "REPORT",
"url": "https://vuldb.com/cve/CVE-2026-19999"
},
{
"type": "REPORT",
"url": "https://vuldb.com/submit/873132"
},
{
"type": "REPORT",
"url": "https://vuldb.com/vuln/391200"
},
{
"type": "REPORT",
"url": "https://vuldb.com/vuln/391200/cti"
}
],
"related": [],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L",
"type": "CVSS_V3"
},
{
"score": "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",
"type": "CVSS_V4"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2026-19999"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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