Resource exhaustion in Imagemagick
CVE-2026-86420
ImageMagick before 7.1.2-30 and 6.9.13-55 fails to properly lower the memory budget when an operation inside OpenPixelCache fails. Repeated triggering of such failures can exhaust the process memory budget and result in a denial of service.
Vulnerability class: DoS (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: 0.003 (23.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 23.8% 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: 0.003 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/ImageMagick/ImageMagick/security/advisories/GHSA-4mwf-mggw-29vp (vendor-advisory, Vendor Advisory)
- www.vulncheck.com/advisories/imagemagick-before-7.1.2-30-denial-of-service-memo… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-86420?
- CVE-2026-86420 is a low-severity vulnerability in Imagemagick, classified under Uncontrolled Resource Consumption. CVSS score: 3.7/10. Published 2026-09-07.
- How severe is CVE-2026-86420?
- Low severity. CVSS v3 base score is 3.7 out of 10.