What is CVE-2026-30931?

CVE-2026-30931 is a medium-severity vulnerability in Imagemagick, classified under Heap-based Buffer Overflow. CVSS score: 6.8/10. Published 2026-03-10.

How severe is CVE-2026-30931?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Buffer overflow in Imagemagick

CVE-2026-30931

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-16, a heap-based buffer overflow in the UHDR encoder can happen due to truncation of a value and it would allow an out of bounds write. This vulnerability is fixed in 7.1.2-16.

Vulnerability class: Buffer Overflow

EPSS: 0.001 (1.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H.

Affected products

Imagemagick — versions < 7.1.2-16

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2026-30931?: CVE-2026-30931 is a medium-severity vulnerability in Imagemagick, classified under Heap-based Buffer Overflow. CVSS score: 6.8/10. Published 2026-03-10.
How severe is CVE-2026-30931?: Medium severity. CVSS v3 base score is 6.8 out of 10.