Name: CVE-2026-56361: Out-of-bounds Read
Creator: Rapid7
Published: 2026-06-30T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-56361, CWE-125, CVSS 7.1, EPSS 0.00128

ImageMagick before 7.1.2-19 contains an off-by-one error in morphology validation allowing out-of-bounds heap buffer reads. Attackers can trigger heap buffer overflow by providing incorrect morphology parameters causing single pixel memory access violations.

CVSS Details

CVSS 4.0 Base Score: 4.8 (MEDIUM)
CVSS 4.0 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X)
CVSS 3.1 Base Score: 7.1
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Amazon_linux_2023	—	Upgrade ImageMagick-libsUpgrade ImageMagickUpgrade ImageMagick-c++-debuginfoUpgrade ImageMagick-docUpgrade ImageMagick-perl-debuginfoUpgrade ImageMagick-c++-develUpgrade ImageMagick-libs-debuginfoUpgrade ImageMagick-perlUpgrade ImageMagick-debuginfoUpgrade ImageMagick-develUpgrade ImageMagick-c++Upgrade ImageMagick-debugsource	Sep 30, 2026	Jun 30, 2026
Debian	—	Upgrade imagemagick	Jul 14, 2026	Jul 14, 2026
Redhat_linux	—	No solution exists	Jul 17, 2026	Jun 30, 2026
Ubuntu	—	Upgrade libmagick++-6.q16hdri-7 (Ubuntu Pro)Upgrade libmagickcore-6.q16hdri-7-extra (Ubuntu Pro)Upgrade libmagickcore-6.q16hdri-6-extra (Ubuntu Pro)Upgrade libmagickcore-7.q16hdri-10-extra (Ubuntu Pro)Upgrade libmagickcore-6.q16-2 (Ubuntu Pro)Upgrade libmagick++-6.q16-9t64 (Ubuntu Pro)Upgrade libimage-magick-perl (Ubuntu Pro)Upgrade libmagick++-7.q16-dev (Ubuntu Pro)Upgrade libmagickwand-6.q16hdri-7t64 (Ubuntu Pro)Upgrade libmagick++-6.q16hdri-9t64 (Ubuntu Pro)Upgrade libmagickcore-6.q16-dev (Ubuntu Pro)Upgrade libmagickwand-6.q16-dev (Ubuntu Pro)Upgrade libmagick++-6.q16-7 (Ubuntu Pro)Upgrade imagemagick-7.q16hdri (Ubuntu Pro)Upgrade libmagickcore-7.q16-dev (Ubuntu Pro)Upgrade libmagickwand-6.q16hdri-dev (Ubuntu Pro)Upgrade libmagickcore-6.q16-3 (Ubuntu Pro)Upgrade libmagickcore-6.q16hdri-3-extra (Ubuntu Pro)Upgrade libmagickcore-7.q16-10 (Ubuntu Pro)Upgrade imagemagick (Ubuntu Pro)Upgrade imagemagick-7.q16 (Ubuntu Pro)Upgrade libmagick++-dev (Ubuntu Pro)Upgrade libmagickcore-6.q16-7t64 (Ubuntu Pro)Upgrade imagemagick-6.q16hdri (Ubuntu Pro)Upgrade libmagick++-6.q16-dev (Ubuntu Pro)Upgrade libmagickwand-6.q16-2 (Ubuntu Pro)Upgrade libmagickcore-6.q16-3-extra (Ubuntu Pro)Upgrade libmagickcore-6.q16hdri-dev (Ubuntu Pro)Upgrade libmagickwand-6.q16-3 (Ubuntu Pro)Upgrade libmagickwand-6.q16-7t64 (Ubuntu Pro)Upgrade imagemagick-6.q16 (Ubuntu Pro)Upgrade libmagick++-7.q16hdri-dev (Ubuntu Pro)Upgrade libmagickwand-6.q16hdri-6 (Ubuntu Pro)Upgrade libmagickcore-6.q16-6-extra (Ubuntu Pro)Upgrade libmagickwand-7.q16hdri-dev (Ubuntu Pro)Upgrade libimage-magick-q16-perl (Ubuntu Pro)Upgrade libmagickcore-6.q16-2-extra (Ubuntu Pro)Upgrade libmagickwand-7.q16hdri-10 (Ubuntu Pro)Upgrade libmagickcore5 (Ubuntu Pro)Upgrade libmagickwand-6.q16hdri-3 (Ubuntu Pro)Upgrade libmagick++-6.q16-8 (Ubuntu Pro)Upgrade libmagickcore-6.q16-7-extra (Ubuntu Pro)Upgrade libmagickcore5-extra (Ubuntu Pro)Upgrade libmagickcore-7.q16hdri-10 (Ubuntu Pro)Upgrade libmagickwand-6.q16-6 (Ubuntu Pro)Upgrade perlmagick (Ubuntu Pro)Upgrade libmagickwand-7.q16-10 (Ubuntu Pro)Upgrade libmagickcore-6.q16-6 (Ubuntu Pro)Upgrade libmagickwand-7.q16-dev (Ubuntu Pro)Upgrade libmagickcore-6.q16hdri-6 (Ubuntu Pro)Upgrade libmagick++-6.q16hdri-dev (Ubuntu Pro)Upgrade libmagickwand5 (Ubuntu Pro)Upgrade libmagickcore-6.q16hdri-3 (Ubuntu Pro)Upgrade libmagick++-6.q16-5v5 (Ubuntu Pro)Upgrade libmagick++5 (Ubuntu Pro)Upgrade libmagickcore-dev (Ubuntu Pro)Upgrade libmagickcore-7.q16-10-extra (Ubuntu Pro)Upgrade libmagick++-7.q16-5 (Ubuntu Pro)Upgrade libmagick++-6.q16hdri-8 (Ubuntu Pro)Upgrade libimage-magick-q16hdri-perl (Ubuntu Pro)Upgrade libmagick++-7.q16hdri-5 (Ubuntu Pro)Upgrade libmagickcore-7.q16hdri-dev (Ubuntu Pro)Upgrade libmagickwand-dev (Ubuntu Pro)Upgrade libmagickcore-6.q16hdri-7t64 (Ubuntu Pro)	Sep 24, 2026	Sep 24, 2026

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CVSS Details

Covered by Rapid7

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