Buffer overflow in Assimp
CVE-2026-10229
A vulnerability was determined in Assimp up to 6.0.4. This affects the function HL1MDLLoader::read_meshes of the file HL1MDLLoader.cpp of the component Half-Life 1 MDL Loader. This manipulation causes heap-based buffer overflow. The attack is restricted to local execution. The exploit has been publicly disclosed and may be utilized. The project tagged the reported issue as bug.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.001 (1.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 1.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000
Affected products
- Assimp — versions 6.0.0, 6.0.1, 6.0.2
Weakness classification (CWE)
References
- vuldb.com/vuln/367508 (technical-description, vdb-entry)
- vuldb.com/vuln/367508/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-10229 (third-party-advisory)
- vuldb.com/submit/821189 (third-party-advisory)
- github.com/assimp/assimp/issues/6614 (issue-tracking)
- github.com/user-attachments/files/27194364/poc.zip (exploit)
- github.com/assimp/assimp/ (product)
Frequently asked questions
- What is CVE-2026-10229?
- CVE-2026-10229 is a medium-severity vulnerability in Assimp, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.3/10. Published 2026-06-01.
- How severe is CVE-2026-10229?
- Medium severity. CVSS v3 base score is 5.3 out of 10.