What is CVE-2026-28686?

CVE-2026-28686 is a medium-severity vulnerability in Imagemagick, classified under Heap-based Buffer Overflow. CVSS score: 6.8/10. Published 2026-03-09.

How severe is CVE-2026-28686?

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

Buffer overflow in Imagemagick

CVE-2026-28686

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 heap-buffer-overflow vulnerability exists in the PCL encode due to an undersized output buffer alloc…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (5.5th 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 >= 7.0.0, < 7.1.2-16, < 6.9.13-41

Weakness classification (CWE)

References

https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-467j-76j7-5885 (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-28686?: CVE-2026-28686 is a medium-severity vulnerability in Imagemagick, classified under Heap-based Buffer Overflow. CVSS score: 6.8/10. Published 2026-03-09.
How severe is CVE-2026-28686?: Medium severity. CVSS v3 base score is 6.8 out of 10.