{"id":"ALPINE-CVE-2021-20286","details":"A flaw was found in libnbd 1.7.3. An assertion failure in nbd_unlocked_opt_go in ilb/opt.c may lead to denial of service.","modified":"2026-11-03T06:32:26.879834770Z","published":"2021-03-15T18:15:17.783Z","upstream":["CVE-2021-20286"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2021-20286"}],"affected":[{"package":{"name":"libnbd","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/libnbd?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.10.5-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20286.json"}},{"package":{"name":"libnbd","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/libnbd?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.10.5-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20286.json"}},{"package":{"name":"libnbd","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/libnbd?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.10.5-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20286.json"}},{"package":{"name":"libnbd","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/libnbd?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.10.5-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20286.json"}},{"package":{"name":"libnbd","ecosystem":"Alpine:v3.24","purl":"pkg:apk/alpine/libnbd?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.10.5-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-20286.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L"}]}