{"cve":"CVE-2009-1755","nvd":{"published":"2009-05-22T11:52:40.547","modified":"2026-06-16T23:07:59.430","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-189"],"references":["http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=529418","http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=529420","http://www.nlnetlabs.nl/publications/NSD_vulnerability_announcement.html","http://www.openwall.com/lists/oss-security/2009/05/19/1","http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=529418"],"products":["nlnetlabs:nsd"],"source":"nvd","synced_at":"2026-10-19T19:54:07.895733559+00:00"},"epss":{"cve":"CVE-2009-1755","score":0.03157,"percentile":0.87972,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}