{"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_01M5NFT7N50HAXB0YT36FZMSA3","modified_at":"2026-10-01T02:17:49.322996192Z","published_at":"2026-05-11T18:16:41.380Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2026-4891","https://security.alpinelinux.org/vuln/CVE-2026-4891"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2026-4891","url":"https://osv.dev/vulnerability/ALPINE-CVE-2026-4891"}],"summary":"A heap-based out-of-bounds read vulnerability in the DNSSEC validation of dnsmasq allows remote attackers to cause a denial of service via a crafted DNS packet."}