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CVE-2026-86421

ImageMagick before 7.1.2-30 Memory Leak via MSL decoder

Published: 9/7/2026 Last updated: 9/8/2026 Reserved: 9/7/2026

ImageMagick before 7.1.2-30 and 6.9.13-55 contains a memory leak in the MSL image decoder. A crafted MSL image triggers memory allocation without proper deallocation, allowing an attacker to exhaust memory and cause a denial of service.

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

Metrics

Version Score Severity Vector String
4.0 6.3 Medium CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
3.1 3.7 Low CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Opam packages affected (2)

conf-libMagickCore ocsigen-start

Products affected (0)

No product listed.

References (2)

Credits (1)