What is CVE-2026-31853?

CVE-2026-31853 is a medium-severity vulnerability in Imagemagick, classified under Heap-based Buffer Overflow. CVSS score: 5.7/10. Published 2026-03-11.

How severe is CVE-2026-31853?

Medium severity. CVSS v3 base score is 5.7 out of 10.

Buffer overflow in Imagemagick

CVE-2026-31853

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to 7.1.2-16 and 6.9.13-41, an overflow on 32-bit systems can cause a crash in the SFW decoder when processing extremely large images. This…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (4.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/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)

CWE-122 — Heap-based Buffer Overflow

References

https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-56jp-jfqg-f8f4 (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-31853?: CVE-2026-31853 is a medium-severity vulnerability in Imagemagick, classified under Heap-based Buffer Overflow. CVSS score: 5.7/10. Published 2026-03-11.
How severe is CVE-2026-31853?: Medium severity. CVSS v3 base score is 5.7 out of 10.