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 through resource exhaustion.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (5.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 5.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Imagemagick — versions 0, 7.1.2-18, 6.9.13-43
Weakness classification (CWE)
References
- github.com/ImageMagick/ImageMagick/security/advisories/GHSA-9r56-3gjq-hqf7 (vendor-advisory, Vendor Advisory)
- www.vulncheck.com/advisories/imagemagick-memory-leak-in-meta-reader-app1jpeg-er… (Third Party Advisory, 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.