Buffer overflow in Dlemstra Magick.net

CVE-2026-25576

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a heap buffer over-read vulnerability exists in multiple raw image format handles. The vulnerability occurs when processing images with -extract dimensions larger than -size dimensions, causing out-of-bounds memory reads from a heap-allocated buffer. Versions 7.1.2-15 and 6.9.13-40 contain a patch.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (8.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.1 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-25576?
CVE-2026-25576 is a medium-severity vulnerability in Dlemstra Magick.net, classified under Heap-based Buffer Overflow. CVSS score: 5.1/10. Published 2026-02-24.
How severe is CVE-2026-25576?
Medium severity. CVSS v3 base score is 5.1 out of 10.