What is CVE-2026-56366?

CVE-2026-56366 is a low-severity vulnerability in Imagemagick, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 3.3/10. Published 2026-07-10.

How severe is CVE-2026-56366?

Low severity. CVSS v3 base score is 3.3 out of 10.

Vulnerability in Imagemagick

CVE-2026-56366

ImageMagick before 7.1.2-18 contains a memory leak vulnerability in the META reader when processing APP1JPEG input paths. Attackers can trigger this memory leak by providing specially crafted APP1JPEG image files, causing denial of service…

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L.

Affected products

Imagemagick — versions 0, 7.1.2-18, 6.9.13-43

Weakness classification (CWE)

CWE-401 — Missing Release of Memory after Effective Lifetime

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-56366?: CVE-2026-56366 is a low-severity vulnerability in Imagemagick, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 3.3/10. Published 2026-07-10.
How severe is CVE-2026-56366?: Low severity. CVSS v3 base score is 3.3 out of 10.