{"id":"CLSA-2026-1789486747","summary":"Fix CVE(s): CVE-2026-86421","details":"   * SECURITY UPDATE: memory leak in the MSL decoder on group end tags\n     - debian/patches/CVE-2026-86421.patch: destroy draw_info for each\n       grouped image in the group cleanup loop in MSLEndElement() in\n       coders/msl.c\n     - debian/patches/CVE-2026-86421-1.patch: bound the group cleanup loop\n       on msl_info-\u003en in MSLEndElement() in coders/msl.c, so the added\n       DestroyDrawInfo() cannot run past the base of the stack when a\n       second \u003cgroup\u003e re-uses a stale numImages count\n     - CVE-2026-86421","modified":"2026-10-26T09:32:04.224298357Z","published":"2026-09-15T15:39:16Z","upstream":["CVE-2026-86421"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/ubuntu18.04els/CLSA-2026-1789486747.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86421"}],"affected":[{"package":{"name":"imagemagick","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/imagemagick?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8:6.9.7.4+dfsg-16ubuntu6.15+tuxcare.els49"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1789486747.json"}},{"package":{"name":"imagemagick-6-common","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/imagemagick-6-common?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8:6.9.7.4+dfsg-16ubuntu6.15+tuxcare.els49"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1789486747.json"}},{"package":{"name":"imagemagick-6-doc","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/imagemagick-6-doc?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8:6.9.7.4+dfsg-16ubuntu6.15+tuxcare.els49"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1789486747.json"}},{"package":{"name":"imagemagick-6.q16","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/imagemagick-6.q16?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8:6.9.7.4+dfsg-16ubuntu6.15+tuxcare.els49"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1789486747.json"}},{"package":{"name":"imagemagick-6.q16hdri","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/imagemagick-6.q16hdri?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8:6.9.7.4+dfsg-16ubuntu6.15+tuxcare.els49"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1789486747.json"}},{"package":{"name":"imagemagick-common","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/imagemagick-common?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8:6.9.7.4+dfsg-16ubuntu6.15+tuxcare.els49"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1789486747.json"}},{"package":{"name":"imagemagick-doc","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/imagemagick-doc?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8:6.9.7.4+dfsg-16ubuntu6.15+tuxcare.els49"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1789486747.json"}},{"package":{"name":"libimage-magick-perl","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libimage-magick-perl?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8:6.9.7.4+dfsg-16ubuntu6.15+tuxcare.els49"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1789486747.json"}},{"package":{"name":"libimage-magick-q16-perl","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libimage-magick-q16-perl?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8:6.9.7.4+dfsg-16ubuntu6.15+tuxcare.els49"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1789486747.json"}},{"package":{"name":"libimage-magick-q16hdri-perl","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libimage-magick-q16hdri-perl?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8:6.9.7.4+dfsg-16ubuntu6.15+tuxcare.els49"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1789486747.json"}},{"package":{"name":"libmagick++-6-headers","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libmagick++-6-headers?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8:6.9.7.4+dfsg-16ubuntu6.15+tuxcare.els49"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1789486747.json"}},{"package":{"name":"libmagick++-6.q16-7","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libmagick++-6.q16-7?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8:6.9.7.4+dfsg-16ubuntu6.15+tuxcare.els49"}]}],"database_specific":{"source":"https:/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