What is CVE-2025-43965?

CVE-2025-43965 is a low-severity vulnerability in Imagemagick, classified under Incorrect Calculation of Buffer Size. CVSS score: 2.9/10. Published 2025-04-23.

How severe is CVE-2025-43965?

Low severity. CVSS v3 base score is 2.9 out of 10.

Is CVE-2025-43965 known to be exploited?

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

Vulnerability in Imagemagick

CVE-2025-43965

In MIFF image processing in ImageMagick before 7.1.1-44, image depth is mishandled after SetQuantumFormat is used.

Published 2025-04-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 2.9 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.006 (45.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000

Affected products

Imagemagick — versions 0
Debian Linux — versions 11.0

Weakness classification (CWE)

CWE-131 — Incorrect Calculation of Buffer Size

Public proof-of-concept exploits

w4zu/Debian_

References

github.com/ImageMagick/Website/blob/main/ChangeLog.md (Release Notes)
github.com/ImageMagick/ImageMagick/commit/bac413a26073923d3ffb258adaab07fb3fe8f… (Patch)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List)

Frequently asked questions

What is CVE-2025-43965?: CVE-2025-43965 is a low-severity vulnerability in Imagemagick, classified under Incorrect Calculation of Buffer Size. CVSS score: 2.9/10. Published 2025-04-23.
How severe is CVE-2025-43965?: Low severity. CVSS v3 base score is 2.9 out of 10.
Is CVE-2025-43965 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.