{"id":"USN-8846-1","summary":"libheif vulnerabilities","details":"Yuqi Qiu and Xiang Li discovered that libheif incorrectly handled certain\ncompressed metadata. A remote attacker could possibly use this issue to\ncause a denial of service. This issue only affected Ubuntu 24.04 LTS and\nUbuntu 26.04 LTS. (CVE-2026-84384)\n\nYuqi Qiu and Xiang Li discovered that libheif incorrectly handled certain\nHEIF sequence data. A remote attacker could possibly use this issue to\ncause a denial of service. This issue only affected Ubuntu 26.04 LTS.\n(CVE-2026-84446)\n\nYuqi Qiu and Xiang Li discovered that libheif incorrectly handled certain\nimage references. A remote attacker could possibly use this issue to\ncause a denial of service. This issue only affected Ubuntu 26.04 LTS.\n(CVE-2026-84447)\n\nIt was discovered that libheif incorrectly handled certain region masks.\nA local attacker could possibly use this issue to obtain sensitive\ninformation or cause a denial of service. This issue only affected Ubuntu\n24.04 LTS and Ubuntu 26.04 LTS. (CVE-2026-84448)\n\nIt was discovered that libheif incorrectly handled certain images. A\nremote attacker could possibly use this issue to cause a denial of\nservice. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS,\nUbuntu 22.04 LTS, and Ubuntu 24.04 LTS. (CVE-2026-84449)","modified":"2026-10-02T00:41:43.854604613Z","published":"2026-09-29T16:18:50Z","related":["UBUNTU-CVE-2026-84384","UBUNTU-CVE-2026-84446","UBUNTU-CVE-2026-84447","UBUNTU-CVE-2026-84448","UBUNTU-CVE-2026-84449"],"upstream":["CVE-2026-84384","CVE-2026-84446","CVE-2026-84447","CVE-2026-84448","CVE-2026-84449","UBUNTU-CVE-2026-84384","UBUNTU-CVE-2026-84446","UBUNTU-CVE-2026-84447","UBUNTU-CVE-2026-84448","UBUNTU-CVE-2026-84449"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8846-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-84384"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-84446"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-84447"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-84448"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-84449"}],"affected":[{"package":{"name":"libheif","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/libheif?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.0-2ubuntu0.1~esm5"}]}],"versions":["1.1.0-2","1.1.0-2ubuntu0.1~esm1","1.1.0-2ubuntu0.1~esm2","1.1.0-2ubuntu0.1~esm3","1.1.0-2ubuntu0.1~esm4"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"libheif-examples","binary_version":"1.1.0-2ubuntu0.1~esm5"},{"binary_name":"libheif1","binary_version":"1.1.0-2ubuntu0.1~esm5"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-84447"},{"id":"CVE-2026-84449","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8846-1.json"}},{"package":{"name":"libheif","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/libheif?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.1-1ubuntu0.1~esm5"}]}],"versions":["1.5.0-1build1","1.5.1-1","1.5.1-1build1","1.6.0-1","1.6.1-1","1.6.1-1build1","1.6.1-1ubuntu0.1~esm1","1.6.1-1ubuntu0.1~esm2","1.6.1-1ubuntu0.1~esm3","1.6.1-1ubuntu0.1~esm4"],"ecosystem_specific":{"binaries":[{"binary_name":"heif-gdk-pixbuf","binary_version":"1.6.1-1ubuntu0.1~esm5"},{"binary_version":"1.6.1-1ubuntu0.1~esm5","binary_name":"heif-thumbnailer"},{"binary_name":"libheif-examples","binary_version":"1.6.1-1ubuntu0.1~esm5"},{"binary_version":"1.6.1-1ubuntu0.1~esm5","binary_name":"libheif1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:20.04:LTS","cves":[{"id":"CVE-2026-84447","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-84449","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":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8846-1.json"}},{"package":{"name":"libheif","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/libheif?arch=source&distro=esm-apps%2Fjammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.12.0-2ubuntu0.1~esm5"}]}],"versions":["1.11.0-1","1.12.0-2build1","1.12.0-2ubuntu0.1~esm1","1.12.0-2ubuntu0.1~esm2","1.12.0-2ubuntu0.1~esm3","1.12.0-2ubuntu0.1~esm4"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"1.12.0-2ubuntu0.1~esm5","binary_name":"heif-gdk-pixbuf"},{"binary_name":"heif-thumbnailer","binary_version":"1.12.0-2ubuntu0.1~esm5"},{"binary_name":"libheif-examples","binary_version":"1.12.0-2ubuntu0.1~esm5"},{"binary_version":"1.12.0-2ubuntu0.1~esm5","binary_name":"libheif1"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2026-84447","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-84449"}],"ecosystem":"Ubuntu:Pro:22.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8846-1.json"}},{"package":{"name":"libheif","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/libheif?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.17.6-1ubuntu4.9"}]}],"versions":["1.16.2-2ubuntu1","1.17.1-1ubuntu2","1.17.1-1ubuntu3","1.17.4-1ubuntu1","1.17.6-1ubuntu1","1.17.6-1ubuntu2","1.17.6-1ubuntu3","1.17.6-1ubuntu4","1.17.6-1ubuntu4.1","1.17.6-1ubuntu4.2","1.17.6-1ubuntu4.3","1.17.6-1ubuntu4.4","1.17.6-1ubuntu4.5","1.17.6-1ubuntu4.6","1.17.6-1ubuntu4.7","1.17.6-1ubuntu4.8"],"ecosystem_specific":{"binaries":[{"binary_version":"1.17.6-1ubuntu4.9","binary_name":"heif-gdk-pixbuf"},{"binary_name":"heif-thumbnailer","binary_version":"1.17.6-1ubuntu4.9"},{"binary_version":"1.17.6-1ubuntu4.9","binary_name":"libheif-examples"},{"binary_version":"1.17.6-1ubuntu4.9","binary_name":"libheif-plugin-aomdec"},{"binary_name":"libheif-plugin-aomenc","binary_version":"1.17.6-1ubuntu4.9"},{"binary_name":"libheif-plugin-dav1d","binary_version":"1.17.6-1ubuntu4.9"},{"binary_version":"1.17.6-1ubuntu4.9","binary_name":"libheif-plugin-ffmpegdec"},{"binary_version":"1.17.6-1ubuntu4.9","binary_name":"libheif-plugin-j2kdec"},{"binary_version":"1.17.6-1ubuntu4.9","binary_name":"libheif-plugin-j2kenc"},{"binary_version":"1.17.6-1ubuntu4.9","binary_name":"libheif-plugin-jpegdec"},{"binary_name":"libheif-plugin-jpegenc","binary_version":"1.17.6-1ubuntu4.9"},{"binary_name":"libheif-plugin-libde265","binary_version":"1.17.6-1ubuntu4.9"},{"binary_name":"libheif-plugin-rav1e","binary_version":"1.17.6-1ubuntu4.9"},{"binary_version":"1.17.6-1ubuntu4.9","binary_name":"libheif-plugin-svtenc"},{"binary_name":"libheif-plugin-x265","binary_version":"1.17.6-1ubuntu4.9"},{"binary_name":"libheif1","binary_version":"1.17.6-1ubuntu4.9"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8846-1.json","cves_map":{"ecosystem":"Ubuntu:24.04:LTS","cves":[{"id":"CVE-2026-84384","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-84447"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-84448"},{"id":"CVE-2026-84449","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":"Ubuntu","score":"medium"}]}]}}},{"package":{"name":"libheif","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/libheif?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.21.2-3ubuntu0.6"}]}],"versions":["1.20.2-1","1.20.2-2","1.20.2-2build1","1.20.2-2build2","1.20.2-2ubuntu1","1.21.2-1","1.21.2-3","1.21.2-3ubuntu0.1","1.21.2-3ubuntu0.2","1.21.2-3ubuntu0.3","1.21.2-3ubuntu0.4","1.21.2-3ubuntu0.5"],"ecosystem_specific":{"binaries":[{"binary_name":"heif-gdk-pixbuf","binary_version":"1.21.2-3ubuntu0.6"},{"binary_version":"1.21.2-3ubuntu0.6","binary_name":"heif-thumbnailer"},{"binary_name":"heif-view","binary_version":"1.21.2-3ubuntu0.6"},{"binary_version":"1.21.2-3ubuntu0.6","binary_name":"libheif-examples"},{"binary_version":"1.21.2-3ubuntu0.6","binary_name":"libheif-plugin-aomdec"},{"binary_name":"libheif-plugin-aomenc","binary_version":"1.21.2-3ubuntu0.6"},{"binary_name":"libheif-plugin-dav1d","binary_version":"1.21.2-3ubuntu0.6"},{"binary_name":"libheif-plugin-ffmpegdec","binary_version":"1.21.2-3ubuntu0.6"},{"binary_name":"libheif-plugin-j2kdec","binary_version":"1.21.2-3ubuntu0.6"},{"binary_name":"libheif-plugin-j2kenc","binary_version":"1.21.2-3ubuntu0.6"},{"binary_version":"1.21.2-3ubuntu0.6","binary_name":"libheif-plugin-jpegdec"},{"binary_version":"1.21.2-3ubuntu0.6","binary_name":"libheif-plugin-jpegenc"},{"binary_version":"1.21.2-3ubuntu0.6","binary_name":"libheif-plugin-kvazaar"},{"binary_version":"1.21.2-3ubuntu0.6","binary_name":"libheif-plugin-libde265"},{"binary_name":"libheif-plugin-rav1e","binary_version":"1.21.2-3ubuntu0.6"},{"binary_name":"libheif-plugin-svtenc","binary_version":"1.21.2-3ubuntu0.6"},{"binary_version":"1.21.2-3ubuntu0.6","binary_name":"libheif-plugin-x265"},{"binary_version":"1.21.2-3ubuntu0.6","binary_name":"libheif-plugins-all"},{"binary_version":"1.21.2-3ubuntu0.6","binary_name":"libheif1"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:26.04:LTS","cves":[{"id":"CVE-2026-84384","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-84446","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-84447","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-84448","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L"},{"type":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8846-1.json"}}],"schema_version":"1.9.0"}