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CVE-2026-66011

ImageMagick before 7.1.2-27 Memory Leak via Invalid CLI Options

Published: 7/25/2026 Last updated: 7/27/2026 Reserved: 7/23/2026

ImageMagick before 7.1.2-27 contains a memory leak vulnerability in the magick command-line interface when invalid options are provided. Attackers can trigger memory exhaustion by repeatedly supplying malformed command-line arguments to consume system resources.

CNA assigner: VulnCheck (83251b91-4cc7-4094-a5c7-464a1b83ea10) Requested by: n/a

Metrics

Version Score Severity Vector String
4.0 4.8 Medium 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
3.1 3.3 Low CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Opam packages affected (2)

conf-libMagickCore ocsigen-start

Products affected (2)

Product Vendor Version
ImageMagick ImageMagick < 10.0.14393.4946
ImageMagick ImageMagick < publication

References (4)

Credits (2)