{"id":"CVE-2020-21603","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-21603","generatedAt":"2026-10-27T23:28:20.748Z","title":"libde265 v1.0.4 contains a heap buffer overflow in the put_qpel_0_0_fallback_16 function, which can be exploited via a crafted a file.","description":"libde265 v1.0.4 contains a heap buffer overflow in the put_qpel_0_0_fallback_16 function, which can be exploited via a crafted a file.","published":"2021-09-16T22:15:08.000Z","lastModified":"2026-06-17T03:03:49.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},"cwe":["CWE-787"],"affected":["struktur/libde265"],"epss":{"score":0.01057,"percentile":0.64231,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (1.06%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://github.com/strukturag/libde265/issues/240","tags":["Exploit","Issue Tracking","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.debian.org/security/2023/dsa-5346","source":"cve@mitre.org"},{"url":"https://github.com/strukturag/libde265/issues/240","tags":["Exploit","Issue Tracking","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2023/dsa-5346","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-21603","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}