What is CVE-2026-30936?

CVE-2026-30936 is a medium-severity vulnerability in Imagemagick, classified under Heap-based Buffer Overflow. CVSS score: 5.5/10. Published 2026-03-09.

How severe is CVE-2026-30936?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Buffer overflow in Imagemagick

CVE-2026-30936

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-16 and 6.9.13-41, a crafted image could cause an out of bounds heap write inside the WaveletDenoiseImage method. When pr…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (6.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Imagemagick — versions >= 7.0.0, < 7.1.2-16, < 6.9.13-41

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

References

https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-5ggv-92r5-cp4p (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-30936?: CVE-2026-30936 is a medium-severity vulnerability in Imagemagick, classified under Heap-based Buffer Overflow. CVSS score: 5.5/10. Published 2026-03-09.
How severe is CVE-2026-30936?: Medium severity. CVSS v3 base score is 5.5 out of 10.