{"id":"UBUNTU-CVE-2020-21598","details":"libde265 v1.0.4 contains a heap buffer overflow in the ff_hevc_put_unweighted_pred_8_sse function, which can be exploited via a crafted a file.","modified":"2026-04-22T12:32:58.642704Z","published":"2021-09-16T22:15:00Z","related":["USN-6617-1"],"upstream":["CVE-2020-21598"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-21598"},{"type":"REPORT","url":"https://github.com/strukturag/libde265/issues/237"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6617-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-21598"}],"affected":[{"package":{"name":"libde265","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/libde265@1.0.4-1ubuntu0.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.4-1ubuntu0.1"}]}],"versions":["1.0.3-1build1","1.0.4-1","1.0.4-1build1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libde265-0","binary_version":"1.0.4-1ubuntu0.1"},{"binary_name":"libde265-examples","binary_version":"1.0.4-1ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-21598.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}