{"id":"CLSA-2026-1777976295","summary":"Fix CVE(s): CVE-2026-28690","details":"   * SECURITY UPDATE: stack buffer overflow in MNG/JNG encoder — missing NULL\n     check after ImageToBlob() in WriteOneJNGImage could propagate a NULL blob\n     pointer into later stack buffer operations (GHSA-7h7q-j33q-hvpf).\n     - debian/patches/CVE-2026-28690.patch: bail out of WriteOneJNGImage when\n       ImageToBlob() returns NULL, destroying jpeg_image and jpeg_image_info\n       before returning MagickFalse (upstream e6e874875e48dd9838acca3bd22c14a4d2f1b3ca)\n     - CVE-2026-28690","modified":"2026-06-04T09:47:31.401538576Z","published":"2026-05-05T10:18:21Z","upstream":["CVE-2026-28690"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/ubuntu18.04els/CLSA-2026-1777976295.html"}],"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.els34"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1777976295.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.els34"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1777976295.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.els34"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1777976295.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.els34"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1777976295.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.els34"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1777976295.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.els34"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1777976295.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.els34"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1777976295.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.els34"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1777976295.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.els34"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1777976295.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.els34"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1777976295.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.els34"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1777976295.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.els34"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA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