{"id":"DEBIAN-CVE-2009-1755","details":"Off-by-one error in the packet_read_query_section function in packet.c in nsd 3.2.1, and process_query_section in query.c in nsd 2.3.7, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors that trigger a buffer overflow.","modified":"2026-09-22T16:47:27.574736798Z","published":"2009-05-22T11:52:40.547Z","upstream":["CVE-2009-1755"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2009-1755"}],"affected":[{"package":{"name":"nsd","ecosystem":"Debian:12","purl":"pkg:deb/debian/nsd?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.7-3"}]}],"ecosystem_specific":{"urgency":"medium"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2009-1755.json"}},{"package":{"name":"nsd","ecosystem":"Debian:13","purl":"pkg:deb/debian/nsd?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.7-3"}]}],"ecosystem_specific":{"urgency":"medium"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2009-1755.json"}},{"package":{"name":"nsd","ecosystem":"Debian:14","purl":"pkg:deb/debian/nsd?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.7-3"}]}],"ecosystem_specific":{"urgency":"medium"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2009-1755.json"}}],"schema_version":"1.9.0"}