{"action":"Upgrade dnsmasq to 2.91-1+deb13u1 or later.","affected":[{"fixed":"2.91-1+deb13u1","introduced":"0"}],"component":"dnsmasq","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["2.91-1+deb13u1"],"id":"tcs_01M5NQZR33G6X1KTMST7ANRNH6","modified_at":"2026-10-01T03:02:57.657859436Z","published_at":"2026-05-11T18:16:31.363Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-2291","https://security-tracker.debian.org/tracker/CVE-2026-2291"],"severity":{"label":"high","score":7.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-2291#Debian:13/dnsmasq","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-2291"}],"summary":"dnsmasqs extract_name() function can be abused to cause a heap buffer overflow, allowing an attacker to inject false DNS cache entries, which could result in DNS lookups to redirect to an attacker-con"}