CVE-2026-56370
highpriority · track · 31EPSS 0.002 · 7 %ileDEEURUUSEPSS · scored 2026-10-26
ImageMagick before 7.1.2-19 contains an out-of-bounds access vulnerability in ConnectedComponentsImage() when processing connected-components artifacts with invalid indices. Attackers can trigger access violations by specifying malformed connected-components definitions via CLI, causing denial of service or potential code execution.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–high · 1.1–7.8
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (36)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-1126ImageMagick: Mehrere Schwachstellen ermöglichen Denial of ServiceDeutsch2026-04-14csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in ImageMagick ausnutzen, um einen Denial of Service Angriff durchzuführen.
- GHSA-pmpg-6pww-fg6qImageMagick has out-of-bounds access in ConnectedComponentsImage() via CLI-controlled connected-components:* artifacts2026-04-14ghsa · osvUS
When the `connected-components:*` define specifies an invalid index and out of bound operation will result in an access violation.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-pmpg-6pww-fg6qcnnvd
- https://www.vulncheck.com/advisories/imagemagick-out-of-bounds-access-in-connectedcomponentsimage-via-connected-components-artifactcnnvd
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-pmpg-6pww-fg6qenisa_euvd
- https://www.vulncheck.com/advisories/imagemagick-out-of-bounds-access-in-connectedcomponentsimage-via-connected-components-artifactenisa_euvd
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-pmpg-6pww-fg6qVendor Advisorynvd
- https://www.vulncheck.com/advisories/imagemagick-out-of-bounds-access-in-connectedcomponentsimage-via-connected-components-artifactThird Party Advisorynvd
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