{"id":"UBUNTU-CVE-2026-56362","details":"ImageMagick before 7.1.2-15 contains a heap-buffer-overflow read vulnerability in GetPixelIndex caused by OpenPixelCache updating image channel metadata before pixel cache memory allocation. Attackers can trigger memory and disk allocation failures to cause a heap-buffer-overflow read affecting any writer calling GetPixelIndex.","modified":"2026-09-09T00:30:33.652229242Z","published":"2026-07-08T14:17:00Z","upstream":["CVE-2026-56362"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-56362"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-56362"},{"type":"REPORT","url":"https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-gq5v-qf8q-fp77"}],"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_name":"imagemagick-7-common","binary_version":"8:7.1.2.3+dfsg1-1ubuntu0.1"},{"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_version":"8:7.1.2.3+dfsg1-1ubuntu0.1","binary_name":"libimage-magick-perl"},{"binary_name":"libimage-magick-q16-perl","binary_version":"8:7.1.2.3+dfsg1-1ubuntu0.1"},{"binary_version":"8:7.1.2.3+dfsg1-1ubuntu0.1","binary_name":"libimage-magick-q16hdri-perl"},{"binary_name":"libmagick++-7-headers","binary_version":"8:7.1.2.3+dfsg1-1ubuntu0.1"},{"binary_name":"libmagick++-7.q16-5","binary_version":"8:7.1.2.3+dfsg1-1ubuntu0.1"},{"binary_version":"8:7.1.2.3+dfsg1-1ubuntu0.1","binary_name":"libmagick++-7.q16hdri-5"},{"binary_version":"8:7.1.2.3+dfsg1-1ubuntu0.1","binary_name":"libmagickcore-7-arch-config"},{"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_name":"libmagickwand-7-headers","binary_version":"8:7.1.2.3+dfsg1-1ubuntu0.1"},{"binary_name":"libmagickwand-7.q16-10","binary_version":"8:7.1.2.3+dfsg1-1ubuntu0.1"},{"binary_version":"8:7.1.2.3+dfsg1-1ubuntu0.1","binary_name":"libmagickwand-7.q16hdri-10"},{"binary_name":"perlmagick","binary_version":"8:7.1.2.3+dfsg1-1ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-56362.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_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_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm2"},{"binary_name":"libimage-magick-q16hdri-perl","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-headers"},{"binary_name":"libmagick++-7.q16-5","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.q16hdri-5"},{"binary_name":"libmagickcore-7-arch-config","binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm2"},{"binary_name":"libmagickcore-7-headers","binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm2"},{"binary_name":"libmagickcore-7.q16-10","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.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_name":"libmagickcore-7.q16hdri-10-extra"},{"binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm2","binary_name":"libmagickwand-7-headers"},{"binary_name":"libmagickwand-7.q16-10","binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm2"},{"binary_name":"libmagickwand-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":"perlmagick"}]},"database_specific":{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