VULNERABILITY INTELLIGENCE

CVE-2009-1755

CVSS score5 MEDIUM

EPSS probability3.16%

CISA KEVNot currently listed

Published2009-05-22

Last modified2026-06-16

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.