{"id":"USN-8909-1","summary":"libde265 vulnerability","details":"It was discovered that libde265 did not properly validate certain crafted\nH.265 bitstreams, leading to a NULL pointer dereference. An attacker could\npossibly use this issue to cause libde265 to crash, resulting in a denial\nof service.","modified":"2026-10-10T01:11:51.820581981Z","published":"2026-10-08T17:11:46Z","related":["UBUNTU-CVE-2026-88373"],"upstream":["CVE-2026-88373","UBUNTU-CVE-2026-88373"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8909-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-88373"}],"affected":[{"package":{"name":"libde265","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/libde265?arch=source&distro=esm-apps-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.2-2ubuntu0.16.04.1~esm7"}]}],"versions":["1.0.2-1build1","1.0.2-2","1.0.2-2ubuntu0.16.04.1~esm1","1.0.2-2ubuntu0.16.04.1~esm2","1.0.2-2ubuntu0.16.04.1~esm3","1.0.2-2ubuntu0.16.04.1~esm4","1.0.2-2ubuntu0.16.04.1~esm5","1.0.2-2ubuntu0.16.04.1~esm6"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro","binaries":[{"binary_version":"1.0.2-2ubuntu0.16.04.1~esm7","binary_name":"libde265-0"},{"binary_name":"libde265-examples","binary_version":"1.0.2-2ubuntu0.16.04.1~esm7"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8909-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"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-2026-88373"}]}}},{"package":{"name":"libde265","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/libde265?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.2-2ubuntu0.18.04.1~esm7"}]}],"versions":["1.0.2-2build1","1.0.2-2ubuntu0.18.04.1~esm1","1.0.2-2ubuntu0.18.04.1~esm2","1.0.2-2ubuntu0.18.04.1~esm3","1.0.2-2ubuntu0.18.04.1~esm4","1.0.2-2ubuntu0.18.04.1~esm5","1.0.2-2ubuntu0.18.04.1~esm6"],"ecosystem_specific":{"binaries":[{"binary_name":"libde265-0","binary_version":"1.0.2-2ubuntu0.18.04.1~esm7"},{"binary_name":"libde265-examples","binary_version":"1.0.2-2ubuntu0.18.04.1~esm7"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"id":"CVE-2026-88373","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"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8909-1.json"}},{"package":{"name":"libde265","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/libde265?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.4-1ubuntu0.4+esm3"}]}],"versions":["1.0.3-1build1","1.0.4-1","1.0.4-1build1","1.0.4-1ubuntu0.1","1.0.4-1ubuntu0.2","1.0.4-1ubuntu0.3","1.0.4-1ubuntu0.4","1.0.4-1ubuntu0.4+esm1","1.0.4-1ubuntu0.4+esm2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"libde265-0","binary_version":"1.0.4-1ubuntu0.4+esm3"},{"binary_name":"libde265-examples","binary_version":"1.0.4-1ubuntu0.4+esm3"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:20.04:LTS","cves":[{"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-2026-88373"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8909-1.json"}},{"package":{"name":"libde265","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/libde265?arch=source&distro=esm-apps%2Fjammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.8-1ubuntu0.3+esm3"}]}],"versions":["1.0.8-1","1.0.8-1ubuntu0.1","1.0.8-1ubuntu0.2","1.0.8-1ubuntu0.3","1.0.8-1ubuntu0.3+esm1","1.0.8-1ubuntu0.3+esm2"],"ecosystem_specific":{"binaries":[{"binary_version":"1.0.8-1ubuntu0.3+esm3","binary_name":"libde265-0"},{"binary_version":"1.0.8-1ubuntu0.3+esm3","binary_name":"libde265-examples"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2026-88373","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"}]}],"ecosystem":"Ubuntu:Pro:22.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8909-1.json"}},{"package":{"name":"libde265","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/libde265?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.15-1ubuntu0.2"}]}],"versions":["1.0.12-2","1.0.13-1","1.0.15-1","1.0.15-1build1","1.0.15-1build2","1.0.15-1build3","1.0.15-1ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_name":"libde265-0","binary_version":"1.0.15-1ubuntu0.2"},{"binary_version":"1.0.15-1ubuntu0.2","binary_name":"libde265-examples"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:24.04:LTS","cves":[{"id":"CVE-2026-88373","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"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8909-1.json"}},{"package":{"name":"libde265","ecosystem":"Ubuntu:Pro:26.04:LTS","purl":"pkg:deb/ubuntu/libde265?arch=source&distro=esm-apps%2Fresolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.16-1ubuntu0.1~esm2"}]}],"versions":["1.0.16-1","1.0.16-1build1","1.0.16-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.0.16-1ubuntu0.1~esm2","binary_name":"libde265-0"},{"binary_version":"1.0.16-1ubuntu0.1~esm2","binary_name":"libde265-examples"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2026-88373","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"}]}],"ecosystem":"Ubuntu:Pro:26.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8909-1.json"}}],"schema_version":"1.9.0"}