Medium [CVE-2026-19970] Remote heap-based buffer overflow vulnerability
This medium-severity Red Hat Linux advisory covers CVE-2026-19970 affecting Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9, Red Hat package: qt6-qtquick3d.
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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.
A heap-based buffer overflow vulnerability exists in the `AddBonesToNodeGraph_3DGS_MDL7` function within the Node Parser component. Successful exploitation could lead to memory corruption, potentially resulting in a denial of service or other unspecified impacts.
This vulnerability in the Assimp library, affecting its MDL file importer, is a remote heap-based buffer overflow. Successful exploitation requires user interaction, as an attacker must entice a user to open or process a specially crafted MDL file.
This limits the immediate impact on Red Hat products, which typically rely on user-initiated file processing for such libraries. Red Hat severity: Moderate — CVSS 6.3 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L).
Weakness: CWE-787. Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9.
Red Hat does not currently list a fixing RHSA for this CVE.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 20 days ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 20 days ago·verify at source
Mitigation checklist
- Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
Official advisory · high-confidence parse· fetched 20 days ago·verify at source
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