Buffer overflow in Open Asset Import Library Assimp
CVE-2026-19968
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.006 (48.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.006 · change: +0.003
Affected products
- Open Asset Import Library Assimp — versions 17c12da
Weakness classification (CWE)
References
- vuldb.com/vuln/391145 (technical-description, vdb-entry)
- vuldb.com/vuln/391145/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-19968 (third-party-advisory)
- vuldb.com/submit/873129 (third-party-advisory)
- github.com/assimp/assimp/issues/6630 (issue-tracking)
- github.com/assimp/assimp/pull/6717 (issue-tracking, patch)
- github.com/user-attachments/files/27425090/poc.zip (exploit)
- github.com/assimp/assimp/commit/ee77bb09a42a49843ac85ef64c14d2328b251df1 (patch)
Frequently asked questions
- What is CVE-2026-19968?
- CVE-2026-19968 is a medium-severity vulnerability in Open Asset Import Library Assimp, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 4.3/10. Published 2026-08-17.
- How severe is CVE-2026-19968?
- Medium severity. CVSS v3 base score is 4.3 out of 10.