Back to Database
Status published
Medium
CVE-2009-1755
Off-by-one error in the packet_read_query_section function in packet.c in nsd...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2009-1755
Credits & Attribution
No credits recorded in the NVD database.
References
More from nlnetlabs
View All →CVE-2020-19861
When a zone file in ldns 1.7.1 is parsed, the...
High
7.5
CVE-2020-19860
When ldns version 1.7.1 verifies a zone file, the ldns_rr_new_frm_str_internal...
Medium
6.5
CVE-2020-17366
An issue was discovered in NLnet Labs Routinator 0.1.0 through...
High
7.4
CVE-2020-12663
Unbound before 1.10.1 has an infinite loop via malformed DNS...
High
7.5
CVE-2020-12662
Unbound before 1.10.1 has Insufficient Control of Network Message Volume,...
High
7.5
Affected Vendor
nlnetlabs
View all reports →Affected Software
nsd
Vulnerable Versions:
2.0.0, 2.0.1, 2.0.2, 2.1.0, 2.1.1, 2.1.2, 2.1.3, 2.1.4, 2.1.5, 2.3.7, 3.2.1
Timeline
Official Publish:
May 22nd, 2009
Last Modified:
September 17th, 2024
Added to House:
July 19th, 2026
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.