{"id":"CVE-2020-6071","details":"An exploitable denial-of-service vulnerability exists in the resource record-parsing functionality of Videolabs libmicrodns 0.1.0. When parsing compressed labels in mDNS messages, the compression pointer is followed without checking for recursion, leading to a denial of service. An attacker can send an mDNS message to trigger this vulnerability.","modified":"2026-03-20T11:37:32.263014Z","published":"2020-03-24T21:15:14.067Z","related":["MGASA-2020-0203"],"references":[{"type":"ADVISORY","url":"https://www.debian.org/security/2020/dsa-4671"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202005-10"},{"type":"EVIDENCE","url":"https://talosintelligence.com/vulnerability_reports/TALOS-2020-0994"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/videolabs/libmicrodns","events":[{"introduced":"0"},{"last_affected":"a12486a5aea85e0f3f02a3721855963b5f1e185f"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"0.1.0"}]}}],"versions":["0.0.1","0.0.10","0.0.2","0.0.3","0.0.4","0.0.5","0.0.6","0.0.7","0.0.8","0.0.9","0.1.0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-6071.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"9.0"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}