What is CVE-2026-105405?

CVE-2026-105405 is a medium-severity vulnerability in Imagemagick, classified under Release of Invalid Pointer or Reference. CVSS score: 5.9/10. Published 2026-10-08.

How severe is CVE-2026-105405?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Imagemagick

CVE-2026-105405

ImageMagick before 6.9.13-56 and 7.x before 7.1.2-31 contains an invalid memory free vulnerability in the MVG decoder. Attackers can supply a crafted MVG image for processing to trigger the invalid free and crash the application, causing a denial of service.

Published 2026-10-08.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Imagemagick

Weakness classification (CWE)

CWE-763 — Release of Invalid Pointer or Reference

References

github.com/ImageMagick/ImageMagick/security/advisories/GHSA-6xf5-c3jx-rp39 (vendor-advisory)
www.vulncheck.com/advisories/imagemagick-before-7.1.2-31-invalid-memory-free-in… (third-party-advisory)

Frequently asked questions

What is CVE-2026-105405?: CVE-2026-105405 is a medium-severity vulnerability in Imagemagick, classified under Release of Invalid Pointer or Reference. CVSS score: 5.9/10. Published 2026-10-08.
How severe is CVE-2026-105405?: Medium severity. CVSS v3 base score is 5.9 out of 10.