TI-2026-16191 Aliases CVE-2026-19970 GHSA-r3jq-f86p-w9jr

Open Asset Import Library Assimp Node MDLLoader.cpp AddBonesToNodeGraph_3DGS_MDL7 heap-based overflow

MEDIUM 57CWE-119Published 2026-08-17 · Updated 2026-08-19

Key facts

Attack vector: Network
Privileges required: None
User interaction: Passive
Attack complexity: Low
Attack requirements: None
Impact type: —
Confidentiality · integrity · availability: Low · Low · Low
Fix status: Deferred Red Hat: fix deferred

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat.

Summary

A vulnerability was detected in Open Asset Import Library Assimp 17c12da. This affects the function Assimp::MDLImporter::AddBonesToNodeGraph_3DGS_MDL7 of the file code/AssetLib/MDL/MDLLoader.cpp of the component Node Parser. The manipulation of the argument bones_num results in heap-based buffer overflow. The attack can be executed remotely. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00452 39th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix Deferred Red Hat: fix deferred

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Open Asset Import Library	Assimp	17c12da	—	No fix listed	CNA

Assimp VendorOpen Asset Import Library Affected 17c12da Fixed in — No fix listed CNA

CPE names CNA · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:assimp:assimp::::::::	—	—	Open Asset Import Library

cpe:2.3:a:assimp:assimp:*:*:*:*:*:*:*:* Versions — — ·Open Asset Import Library

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Product	Status	Plan or fix
Red Hat Enterprise Linux 10	Affected	No fix yet: Fix deferred
Red Hat Enterprise Linux 9	Affected	No fix yet: Fix deferred

Timeline

2026-10-02 Threatist record created from CVE-2026-19970
2026-10-03 Alias added: GHSA-r3jq-f86p-w9jr

References

Exploit 1

https://github.com/user-attachments/files/27428677/poc.zip

Other 1

https://github.com/assimp/assimp/issues/6632

TI-2022-22579 An issue was discovered with assimp 5.1.4, a use after free occurred in function… CVSS 3.1HIGH 8.8
TI-2024-32382 An issue in assimp v.5.4.3 allows a local attacker to execute arbitrary code via the… CVSS 3.1HIGH 8.4
TI-2026-74913 NULL pointer dereference in Assimp Ogre mesh import crashes host CVSS 4.0MEDIUM 6.8
TI-2026-74912 NULL pointer dereference in Assimp Ogre importer crashes applications CVSS 4.0MEDIUM 6.8
TI-2024-35797 A heap-buffer-overflow vulnerability was discovered in the SkipSpacesAndLineEnd function… CVSS 3.1MEDIUM 6.2
TI-2024-32385 A segmentation fault (SEGV) was detected in the SortByPTypeProcess::Execute function in… CVSS 3.1MEDIUM 6.2

See all 58 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences