{"action":"Upgrade dnsmasq to 2.90-4~deb12u2 or later.","affected":[{"fixed":"2.90-4~deb12u2","introduced":"0"}],"component":"dnsmasq","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["2.90-4~deb12u2"],"id":"tcs_01M5NSQCSMT8A9C5SHY50T0VS0","modified_at":"2026-10-01T03:03:24.772658249Z","published_at":"2026-05-11T18:16:41.920Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-5172","https://security-tracker.debian.org/tracker/CVE-2026-5172"],"severity":{"label":"high","score":7.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-5172","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-5172"}],"summary":"A buffer overflow in dnsmasq’s extract_addresses() function allows an attacker to trigger a heap out-of-bounds read and crash by exploiting a malformed DNS response, enabling extract_name() to advance"}