CVE-2026-56370 PUBLISHED

ImageMagick - Out-of-bounds Access in ConnectedComponentsImage via connected-components Artifact

Assigner: VulnCheck
Reserved: 21.06.2026 Published: 24.06.2026 Updated: 24.06.2026

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.

Metrics

CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CVSS Score: 4.8

Product Status

Vendor ImageMagick
Product ImageMagick
Versions Default: unaffected
  • affected from 0 to 7.1.2-19 (excl.)
  • Version 7.1.2-19 is unaffected
Vendor ImageMagick
Product ImageMagick
Versions Default: unaffected
  • affected from 0 to 6.9.13-44 (excl.)
  • Version 6.9.13-44 is unaffected

Credits

  • ylwango613 reporter

References

Problem Types

  • Out-of-bounds Read CWE