Buffer overflow in Imagemagick

CVE-2026-26284

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, ImageMagick lacks proper boundary checking when processing Huffman-coded data from PCD (Photo CD) files. The decoder contains an function that has an incorrect initialization that could cause an out of bounds read. Versions 7.1.2-15 and 6.9.13-40 contain a patch.

Vulnerability class: Buffer Overflow

EPSS: 0.004 (33.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

  • Imagemagick — versions >= 7.0.0, < 7.1.2-15, < 6.9.13-40

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-26284?
CVE-2026-26284 is a medium-severity vulnerability in Imagemagick, classified under Heap-based Buffer Overflow. CVSS score: 6.5/10. Published 2026-02-24.
How severe is CVE-2026-26284?
Medium severity. CVSS v3 base score is 6.5 out of 10.