What is CVE-2024-53425?

CVE-2024-53425 is a medium-severity vulnerability in Assimp, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.2/10. Published 2024-11-21.

How severe is CVE-2024-53425?

Medium severity. CVSS v3 base score is 6.2 out of 10.

Buffer overflow in Assimp

CVE-2024-53425

A heap-buffer-overflow vulnerability was discovered in the SkipSpacesAndLineEnd function in Assimp v5.4.3. This issue occurs when processing certain malformed MD5 model files, leading to an out-of-bounds read and potential application crash.

Vulnerability class: Buffer Overflow

Published 2024-11-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.003 (21.1th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 21.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Assimp — versions 5.4.3

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

github.com/assimp/assimp/issues/5860 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2024-53425?: CVE-2024-53425 is a medium-severity vulnerability in Assimp, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.2/10. Published 2024-11-21.
How severe is CVE-2024-53425?: Medium severity. CVSS v3 base score is 6.2 out of 10.