What is CVE-2026-56365?

CVE-2026-56365 is a low-severity vulnerability in Imagemagick, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 3.7/10. Published 2026-06-30.

How severe is CVE-2026-56365?

Low severity. CVSS v3 base score is 3.7 out of 10.

Vulnerability in Imagemagick

CVE-2026-56365

ImageMagick before 7.1.2-19 contains a memory leak vulnerability in the PNG encoder when writing MNG images. Attackers can trigger the encoder failure condition to exhaust memory resources and cause denial of service.

EPSS: 0.003 (20.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Imagemagick — versions 0, 7.1.2-19, 6.9.13-44

Weakness classification (CWE)

CWE-401 — Missing Release of Memory after Effective Lifetime

References

disclosure@vulncheck.com (vendor-advisory, Vendor Advisory)
disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-56365?: CVE-2026-56365 is a low-severity vulnerability in Imagemagick, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 3.7/10. Published 2026-06-30.
How severe is CVE-2026-56365?: Low severity. CVSS v3 base score is 3.7 out of 10.