{"id":"UBUNTU-CVE-2026-40183","details":"ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below 7.1.2-19, the JXL encoder has an heap write overflow when a user specifies that the image should be encoded as 16 bit floats. This issue has been fixed in version 7.1.2-19.","modified":"2026-09-09T00:30:26.709922809Z","published":"2026-04-13T22:16:00Z","upstream":["CVE-2026-40183"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-40183"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-40183"},{"type":"REPORT","url":"https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-jvgr-9ph5-m8v4"},{"type":"REPORT","url":"https://github.com/ImageMagick/ImageMagick/commit/1c7767fc5f822c6edc104c1220d523e96fa20b5a"},{"type":"REPORT","url":"https://github.com/ImageMagick/ImageMagick/releases/tag/7.1.2-19"},{"type":"REPORT","url":"https://github.com/dlemstra/Magick.NET/releases/tag/14.12.0"}],"affected":[{"package":{"name":"imagemagick","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/imagemagick?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8:7.1.1.43+dfsg1-1","8:7.1.1.43+dfsg1-1ubuntu1","8:7.1.1.43+dfsg1-1ubuntu2","8:7.1.2.3+dfsg1-1","8:7.1.2.3+dfsg1-1ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_name":"imagemagick","binary_version":"8:7.1.2.3+dfsg1-1ubuntu0.1"},{"binary_version":"8:7.1.2.3+dfsg1-1ubuntu0.1","binary_name":"imagemagick-7-common"},{"binary_name":"imagemagick-7.q16","binary_version":"8:7.1.2.3+dfsg1-1ubuntu0.1"},{"binary_name":"imagemagick-7.q16hdri","binary_version":"8:7.1.2.3+dfsg1-1ubuntu0.1"},{"binary_name":"libimage-magick-perl","binary_version":"8:7.1.2.3+dfsg1-1ubuntu0.1"},{"binary_name":"libimage-magick-q16-perl","binary_version":"8:7.1.2.3+dfsg1-1ubuntu0.1"},{"binary_name":"libimage-magick-q16hdri-perl","binary_version":"8:7.1.2.3+dfsg1-1ubuntu0.1"},{"binary_version":"8:7.1.2.3+dfsg1-1ubuntu0.1","binary_name":"libmagick++-7-headers"},{"binary_version":"8:7.1.2.3+dfsg1-1ubuntu0.1","binary_name":"libmagick++-7.q16-5"},{"binary_name":"libmagick++-7.q16hdri-5","binary_version":"8:7.1.2.3+dfsg1-1ubuntu0.1"},{"binary_name":"libmagickcore-7-arch-config","binary_version":"8:7.1.2.3+dfsg1-1ubuntu0.1"},{"binary_name":"libmagickcore-7-headers","binary_version":"8:7.1.2.3+dfsg1-1ubuntu0.1"},{"binary_name":"libmagickcore-7.q16-10","binary_version":"8:7.1.2.3+dfsg1-1ubuntu0.1"},{"binary_name":"libmagickcore-7.q16-10-extra","binary_version":"8:7.1.2.3+dfsg1-1ubuntu0.1"},{"binary_name":"libmagickcore-7.q16hdri-10","binary_version":"8:7.1.2.3+dfsg1-1ubuntu0.1"},{"binary_name":"libmagickcore-7.q16hdri-10-extra","binary_version":"8:7.1.2.3+dfsg1-1ubuntu0.1"},{"binary_version":"8:7.1.2.3+dfsg1-1ubuntu0.1","binary_name":"libmagickwand-7-headers"},{"binary_version":"8:7.1.2.3+dfsg1-1ubuntu0.1","binary_name":"libmagickwand-7.q16-10"},{"binary_name":"libmagickwand-7.q16hdri-10","binary_version":"8:7.1.2.3+dfsg1-1ubuntu0.1"},{"binary_version":"8:7.1.2.3+dfsg1-1ubuntu0.1","binary_name":"perlmagick"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40183.json"}},{"package":{"name":"imagemagick","ecosystem":"Ubuntu:Pro:26.04:LTS","purl":"pkg:deb/ubuntu/imagemagick?arch=source&distro=esm-apps%2Fresolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8:7.1.2.3+dfsg1-1","8:7.1.2.8+dfsg1-1","8:7.1.2.12+dfsg1-1","8:7.1.2.13+dfsg1-1","8:7.1.2.15+dfsg1-1","8:7.1.2.16+dfsg1-1","8:7.1.2.18+dfsg1-1","8:7.1.2.18+dfsg1-1ubuntu0.1~esm1","8:7.1.2.18+dfsg1-1ubuntu0.1~esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"imagemagick","binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm2"},{"binary_name":"imagemagick-7-common","binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm2"},{"binary_name":"imagemagick-7.q16","binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm2"},{"binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm2","binary_name":"imagemagick-7.q16hdri"},{"binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm2","binary_name":"libimage-magick-perl"},{"binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm2","binary_name":"libimage-magick-q16-perl"},{"binary_name":"libimage-magick-q16hdri-perl","binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm2"},{"binary_name":"libmagick++-7-headers","binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm2"},{"binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm2","binary_name":"libmagick++-7.q16-5"},{"binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm2","binary_name":"libmagick++-7.q16hdri-5"},{"binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm2","binary_name":"libmagickcore-7-arch-config"},{"binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm2","binary_name":"libmagickcore-7-headers"},{"binary_name":"libmagickcore-7.q16-10","binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm2"},{"binary_name":"libmagickcore-7.q16-10-extra","binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm2"},{"binary_name":"libmagickcore-7.q16hdri-10","binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm2"},{"binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm2","binary_name":"libmagickcore-7.q16hdri-10-extra"},{"binary_name":"libmagickwand-7-headers","binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm2"},{"bin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