{"id":"DEBIAN-CVE-2026-13002","details":"A flow has been identified into dnssec.c library, causing an infinite loop to dnsmasq service. An attacker who controls any DNSSEC-signed zone can hang the dnsmasq process with a single crafted response, killing all DNS resolution for its clients.","modified":"2026-09-14T17:01:56.291253619Z","published":"2026-08-14T16:16:49.267Z","upstream":["CVE-2026-13002"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-13002"}],"affected":[{"package":{"name":"dnsmasq","ecosystem":"Debian:12","purl":"pkg:deb/debian/dnsmasq?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.89-1","2.90-1","2.90-2","2.90-3","2.90-4","2.90-4~deb12u1","2.90-4~deb12u2","2.90-5","2.90-6","2.90-7","2.91-1","2.91~test6-1","2.91~test9-1","2.92-1","2.92-1+exp1","2.92-1~exp1","2.92-2","2.92-3","2.92-4","2.92-5","2.92~rc1-1","2.92~rc3-1","2.93-1","2.93-2"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-13002.json"}},{"package":{"name":"dnsmasq","ecosystem":"Debian:13","purl":"pkg:deb/debian/dnsmasq?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.91-1","2.91-1+deb13u1","2.91-1+deb13u2","2.92-1","2.92-1+exp1","2.92-1~exp1","2.92-2","2.92-3","2.92-4","2.92-5","2.92~rc1-1","2.92~rc3-1","2.93-1","2.93-2"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-13002.json"}},{"package":{"name":"dnsmasq","ecosystem":"Debian:14","purl":"pkg:deb/debian/dnsmasq?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.91-1","2.92-1","2.92-1+exp1","2.92-1~exp1","2.92-2","2.92-3","2.92-4","2.92-5","2.92~rc1-1","2.92~rc3-1","2.93-1","2.93-2"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-13002.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H"}]}