Integer overflow in Imagemagick
CVE-2026-56363
ImageMagick before 7.1.2-22 contains a division by zero vulnerability in binomial kernel processing that allows attackers to cause denial of service. An attacker can supply a large binomial kernel value causing integer overflow, resulting in division by zero and application crash.
Vulnerability class: Integer Overflow
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 (3.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.5% 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, 7.1.2-22, 6.9.13-47
Weakness classification (CWE)
References
- github.com/ImageMagick/ImageMagick/security/advisories/GHSA-vf33-6r7x-66xx (vendor-advisory, Vendor Advisory)
- www.vulncheck.com/advisories/imagemagick-division-by-zero-in-binomial-kernel-pr… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-56363?
- CVE-2026-56363 is a low-severity vulnerability in Imagemagick, classified under Integer Overflow or Wraparound. CVSS score: 3.3/10. Published 2026-06-30.
- How severe is CVE-2026-56363?
- Low severity. CVSS v3 base score is 3.3 out of 10.