{"action":"Upgrade nginx to 1.16.1-r7 or later.","affected":[{"fixed":"1.16.1-r7","introduced":"0.6.18"}],"component":"nginx","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.11","exploited":false,"fixed_versions":["1.16.1-r7"],"id":"tcs_01M5NCZP6B24DWQ4PSK2WDQJZE","modified_at":"2026-10-23T17:17:56.155724397Z","published_at":"2021-06-01T13:15:07.853Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2021-23017","https://security.alpinelinux.org/vuln/CVE-2021-23017"],"severity":{"label":"high","score":7.7},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2021-23017#Alpine:v3.11/nginx","url":"https://osv.dev/vulnerability/ALPINE-CVE-2021-23017"}],"summary":"A security issue in nginx resolver was identified, which might allow an attacker who is able to forge UDP packets from the DNS server to cause 1-byte memory overwrite, resulting in worker process cras"}