{"action":"Upgrade opendmarc to 1.4.1.1-r3 or later.","affected":[{"fixed":"1.4.1.1-r3","introduced":"0"}],"component":"opendmarc","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.18","exploited":false,"fixed_versions":["1.4.1.1-r3"],"id":"tcs_01M6GW2F2QTRS2QHFHBDHTYYVZ","modified_at":"2026-11-03T06:32:40.701650497Z","published_at":"2021-06-10T15:15:09.680Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2021-34555","https://security.alpinelinux.org/vuln/CVE-2021-34555"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2021-34555#Alpine:v3.18/opendmarc","url":"https://osv.dev/vulnerability/ALPINE-CVE-2021-34555"}],"summary":"OpenDMARC 1.4.1 and 1.4.1.1 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a multi-value From header field."}