{"id":"UBUNTU-CVE-2026-93590","details":"ImageMagick before 7.1.2-31 contains a policy bypass vulnerability in the UHDR encoder that fails to perform policy checks during buffer allocation for image pixels. Attackers can bypass resource policies by processing specially crafted UHDR images, potentially causing denial of service through excessive memory allocation.","modified":"2026-10-02T00:30:08.045528809Z","published":"2026-09-18T14:19:00Z","related":["USN-8859-1"],"upstream":["CVE-2026-93590"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-93590"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-93590"},{"type":"REPORT","url":"https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-7hjx-392p-f8cm"},{"type":"REPORT","url":"https://www.vulncheck.com/advisories/imagemagick-before-7.1.2-31-policy-bypass-in-uhdr-encoder"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8859-1"}],"affected":[{"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"},{"fixed":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm4"}]}],"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","8:7.1.2.18+dfsg1-1ubuntu0.1~esm3"],"ecosystem_specific":{"binaries":[{"binary_name":"imagemagick","binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm4"},{"binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm4","binary_name":"imagemagick-7-common"},{"binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm4","binary_name":"imagemagick-7.q16"},{"binary_name":"imagemagick-7.q16hdri","binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm4"},{"binary_name":"libimage-magick-perl","binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm4"},{"binary_name":"libimage-magick-q16-perl","binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm4"},{"binary_name":"libimage-magick-q16hdri-perl","binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm4"},{"binary_name":"libmagick++-7-headers","binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm4"},{"binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm4","binary_name":"libmagick++-7.q16-5"},{"binary_name":"libmagick++-7.q16hdri-5","binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm4"},{"binary_name":"libmagickcore-7-arch-config","binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm4"},{"binary_name":"libmagickcore-7-headers","binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm4"},{"binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm4","binary_name":"libmagickcore-7.q16-10"},{"binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm4","binary_name":"libmagickcore-7.q16-10-extra"},{"binary_name":"libmagickcore-7.q16hdri-10","binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm4"},{"binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm4","binary_name":"libmagickcore-7.q16hdri-10-extra"},{"binary_name":"libmagickwand-7-headers","binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm4"},{"binary_name":"libmagickwand-7.q16-10","binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm4"},{"binary_name":"libmagickwand-7.q16hdri-10","binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm4"},{"binary_version":"8:7.1.2.18+dfsg1-1ubuntu0.1~esm4","binary_name":"perlmagick"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-93590.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"type":"CVSS_V4","score":"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"},{"type":"Ubuntu","score":"medium"}]}