What is CVE-2024-46632?

CVE-2024-46632 is a medium-severity vulnerability in Assimp, classified under Heap-based Buffer Overflow. CVSS score: 4.3/10. Published 2024-09-26.

How severe is CVE-2024-46632?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Is CVE-2024-46632 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Assimp

CVE-2024-46632

Assimp v5.4.3 is vulnerable to Buffer Overflow via the MD5Importer::LoadMD5MeshFile function.

Vulnerability class: Buffer Overflow

Published 2024-09-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.005 (38.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 38.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Assimp — versions 5.4.3

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

github.com/assimp/assimp/issues/5771 (Exploit, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2024-46632?: CVE-2024-46632 is a medium-severity vulnerability in Assimp, classified under Heap-based Buffer Overflow. CVSS score: 4.3/10. Published 2024-09-26.
How severe is CVE-2024-46632?: Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2024-46632 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.