{"action":"Upgrade dnsmasq to 2.91-r1 or later.","affected":[{"fixed":"2.91-r1","introduced":"0"}],"component":"dnsmasq","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.22","exploited":false,"fixed_versions":["2.91-r1"],"id":"tcs_01M5NFTAJGV1B6K1BNETDJ9SNF","modified_at":"2026-10-01T02:17:49.323898999Z","published_at":"2026-05-11T18:16:41.593Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2026-4893","https://security.alpinelinux.org/vuln/CVE-2026-4893"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2026-4893","url":"https://osv.dev/vulnerability/ALPINE-CVE-2026-4893"}],"summary":"An information disclosure vulnerability in dnsmasq allows remote attackers to bypass source checks via a crafted DNS packet with RFC 7871 client subnet information."}