{"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_01M5NSQCXWS0HCBE3MXR27CM0H","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#Debian:13/dnsmasq","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"}