CVE-2026-19968 Open Asset Import Library Assimp 3DGS MDL7 Model LWOLoader.h ReadFaces_3DGS_MDL7 heap-based overflow

Medium 5.3 Published Updated

A heap-based buffer overflow in Assimp's 3DGS MDL7 parser allows remote attackers to execute arbitrary code or cause denial of service via crafted files.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-19968?

CVE-2026-19968 is a medium-severity memory corruption vulnerability in Open Asset Import Library Assimp, published on 17 Aug 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A weakness has been identified in Open Asset Import Library Assimp 17c12da. The affected element is the function Assimp::MDLImporter::ReadFaces_3DGS_MDL7 in the library code/AssetLib/LWO/LWOLoader.h of the component 3DGS MDL7 Model Parser. Executing a manipulation can lead to heap-based buffer overflow. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. This patch is called ee77bb09a42a49843ac85ef64c14d2328b251df1. Applying a patch is advised to resolve this issue.

Weakness: CWE-122, CWE-119

Which versions are affected by CVE-2026-19968?

How do I fix CVE-2026-19968?

No fix has been published for CVE-2026-19968 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-19968 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-19968 exists.

Sources

Also known as DEBIAN-CVE-2026-19968, GHSA-jgf7-xq22-j6mv, UBUNTU-CVE-2026-19968.

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