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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (31.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 31.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
- Imagemagick — versions 0, 7.1.2-19, 6.9.13-44
Weakness classification (CWE)
References
- github.com/ImageMagick/ImageMagick/security/advisories/GHSA-x928-4434-crqj (vendor-advisory, Vendor Advisory)
- www.vulncheck.com/advisories/imagemagick-memory-leak-in-png-encoder-via-mng-ima… (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.