{"action":"Upgrade nsd to 2.3.7-3 or later.","affected":[{"fixed":"2.3.7-3","introduced":"0"}],"component":"nsd","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["2.3.7-3"],"id":"tcs_01M5N99Z4PWGWZD2NGVZVBBCX3","modified_at":"2026-10-23T17:47:43.149258562Z","published_at":"2009-05-22T11:52:40.547Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2009-1755","https://security-tracker.debian.org/tracker/CVE-2009-1755"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2009-1755#Debian:14/nsd","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2009-1755"}],"summary":"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"}