What is CVE-2021-40264?

CVE-2021-40264 is a medium-severity vulnerability in Freeimage Project, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2023-08-22.

How severe is CVE-2021-40264?

Medium severity. CVSS v3 base score is 6.5 out of 10.

NULL pointer dereference in Freeimage Project

CVE-2021-40264

NULL pointer dereference vulnerability in FreeImage before 1.18.0 via the FreeImage_CloneTag function inFreeImageTag.cpp.

Published 2023-08-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.007 (52.5th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 52.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Freeimage Project

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

sourceforge.net/p/freeimage/bugs/335/ (Exploit, Issue Tracking)

Frequently asked questions

What is CVE-2021-40264?: CVE-2021-40264 is a medium-severity vulnerability in Freeimage Project, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2023-08-22.
How severe is CVE-2021-40264?: Medium severity. CVSS v3 base score is 6.5 out of 10.