Buffer overflow in Assimp

CVE-2026-10231

A security flaw has been discovered in Assimp up to 6.0.4. Affected is the function HL1MDLLoader::extract_anim_value of the file HL1MDLLoader.cpp of the component Half-Life 1 MDL Loader. Performing a manipulation of the argument num.total…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (2.1th percentile) — read the EPSS interpretation.

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.

Affected products

  • N/a Assimp — versions 6.0.0, 6.0.1, 6.0.2

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-10231?
CVE-2026-10231 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-2026-10231?
Medium severity. CVSS v3 base score is 5.3 out of 10.