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TI-2009-01670 Aliases CVE-2009-1755GHSA-hvfw-j69f-c8f3

Off-by-one error in the packet_read_query_section function in packet.c in nsd 3.2.1, and…

Priority LOW 29CWE-189Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Partial
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-189 and the CVSS impact.

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 possibly execute arbitrary code via unspecified vectors that trigger a buffer overflow.

Why it matters now

EPSS 0.03157 88th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 31

CPEVersionsRoleVendor
cpe:2.3:a:nlnetlabs:nsd:2.0.0:*:*:*:*:*:*:*2.0.0VulnerableNLNETLABS
cpe:2.3:a:nlnetlabs:nsd:2.0.1:*:*:*:*:*:*:*2.0.1VulnerableNLNETLABS
cpe:2.3:a:nlnetlabs:nsd:2.0.2:*:*:*:*:*:*:*2.0.2VulnerableNLNETLABS
cpe:2.3:a:nlnetlabs:nsd:2.1.0:*:*:*:*:*:*:*2.1.0VulnerableNLNETLABS
cpe:2.3:a:nlnetlabs:nsd:2.1.1:*:*:*:*:*:*:*2.1.1VulnerableNLNETLABS
cpe:2.3:a:nlnetlabs:nsd:2.1.2:*:*:*:*:*:*:*2.1.2VulnerableNLNETLABS
cpe:2.3:a:nlnetlabs:nsd:2.1.3:*:*:*:*:*:*:*2.1.3VulnerableNLNETLABS
cpe:2.3:a:nlnetlabs:nsd:2.1.4:*:*:*:*:*:*:*2.1.4VulnerableNLNETLABS
cpe:2.3:a:nlnetlabs:nsd:2.1.5:*:*:*:*:*:*:*2.1.5VulnerableNLNETLABS
cpe:2.3:a:nlnetlabs:nsd:2.2.0:*:*:*:*:*:*:*2.2.0Running onNLNETLABS
  • cpe:2.3:a:nlnetlabs:nsd:2.0.0:*:*:*:*:*:*:* Versions 2.0.0 Vulnerable ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:nsd:2.0.1:*:*:*:*:*:*:* Versions 2.0.1 Vulnerable ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:nsd:2.0.2:*:*:*:*:*:*:* Versions 2.0.2 Vulnerable ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:nsd:2.1.0:*:*:*:*:*:*:* Versions 2.1.0 Vulnerable ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:nsd:2.1.1:*:*:*:*:*:*:* Versions 2.1.1 Vulnerable ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:nsd:2.1.2:*:*:*:*:*:*:* Versions 2.1.2 Vulnerable ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:nsd:2.1.3:*:*:*:*:*:*:* Versions 2.1.3 Vulnerable ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:nsd:2.1.4:*:*:*:*:*:*:* Versions 2.1.4 Vulnerable ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:nsd:2.1.5:*:*:*:*:*:*:* Versions 2.1.5 Vulnerable ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:nsd:2.2.0:*:*:*:*:*:*:* Versions 2.2.0 Running on ·NLNETLABS
Show 21 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:nlnetlabs:nsd:2.2.1:*:*:*:*:*:*:*2.2.1Running onNLNETLABS
cpe:2.3:a:nlnetlabs:nsd:2.3.0:*:*:*:*:*:*:*2.3.0Running onNLNETLABS
cpe:2.3:a:nlnetlabs:nsd:2.3.2:*:*:*:*:*:*:*2.3.2Running onNLNETLABS
cpe:2.3:a:nlnetlabs:nsd:2.3.3:*:*:*:*:*:*:*2.3.3Running onNLNETLABS
cpe:2.3:a:nlnetlabs:nsd:2.3.4:*:*:*:*:*:*:*2.3.4Running onNLNETLABS
cpe:2.3:a:nlnetlabs:nsd:2.3.5:*:*:*:*:*:*:*2.3.5Running onNLNETLABS
cpe:2.3:a:nlnetlabs:nsd:2.3.6:*:*:*:*:*:*:*2.3.6Running onNLNETLABS
cpe:2.3:a:nlnetlabs:nsd:2.3.7:*:*:*:*:*:*:*2.3.7VulnerableNLNETLABS
cpe:2.3:a:nlnetlabs:nsd:3.0.0:*:*:*:*:*:*:*3.0.0Running onNLNETLABS
cpe:2.3:a:nlnetlabs:nsd:3.0.1:*:*:*:*:*:*:*3.0.1Running onNLNETLABS
cpe:2.3:a:nlnetlabs:nsd:3.0.2:*:*:*:*:*:*:*3.0.2Running onNLNETLABS
cpe:2.3:a:nlnetlabs:nsd:3.0.3:*:*:*:*:*:*:*3.0.3Running onNLNETLABS
cpe:2.3:a:nlnetlabs:nsd:3.0.4:*:*:*:*:*:*:*3.0.4Running onNLNETLABS
cpe:2.3:a:nlnetlabs:nsd:3.0.5:*:*:*:*:*:*:*3.0.5Running onNLNETLABS
cpe:2.3:a:nlnetlabs:nsd:3.0.6:*:*:*:*:*:*:*3.0.6Running onNLNETLABS
cpe:2.3:a:nlnetlabs:nsd:3.0.7:*:*:*:*:*:*:*3.0.7Running onNLNETLABS
cpe:2.3:a:nlnetlabs:nsd:3.0.8:*:*:*:*:*:*:*3.0.8Running onNLNETLABS
cpe:2.3:a:nlnetlabs:nsd:3.1.0:*:*:*:*:*:*:*3.1.0Running onNLNETLABS
cpe:2.3:a:nlnetlabs:nsd:3.1.1:*:*:*:*:*:*:*3.1.1Running onNLNETLABS
cpe:2.3:a:nlnetlabs:nsd:3.2.0:*:*:*:*:*:*:*3.2.0Running onNLNETLABS
cpe:2.3:a:nlnetlabs:nsd:3.2.1:*:*:*:*:*:*:*3.2.1VulnerableNLNETLABS
  • cpe:2.3:a:nlnetlabs:nsd:2.2.1:*:*:*:*:*:*:* Versions 2.2.1 Running on ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:nsd:2.3.0:*:*:*:*:*:*:* Versions 2.3.0 Running on ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:nsd:2.3.2:*:*:*:*:*:*:* Versions 2.3.2 Running on ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:nsd:2.3.3:*:*:*:*:*:*:* Versions 2.3.3 Running on ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:nsd:2.3.4:*:*:*:*:*:*:* Versions 2.3.4 Running on ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:nsd:2.3.5:*:*:*:*:*:*:* Versions 2.3.5 Running on ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:nsd:2.3.6:*:*:*:*:*:*:* Versions 2.3.6 Running on ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:nsd:2.3.7:*:*:*:*:*:*:* Versions 2.3.7 Vulnerable ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:nsd:3.0.0:*:*:*:*:*:*:* Versions 3.0.0 Running on ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:nsd:3.0.1:*:*:*:*:*:*:* Versions 3.0.1 Running on ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:nsd:3.0.2:*:*:*:*:*:*:* Versions 3.0.2 Running on ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:nsd:3.0.3:*:*:*:*:*:*:* Versions 3.0.3 Running on ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:nsd:3.0.4:*:*:*:*:*:*:* Versions 3.0.4 Running on ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:nsd:3.0.5:*:*:*:*:*:*:* Versions 3.0.5 Running on ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:nsd:3.0.6:*:*:*:*:*:*:* Versions 3.0.6 Running on ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:nsd:3.0.7:*:*:*:*:*:*:* Versions 3.0.7 Running on ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:nsd:3.0.8:*:*:*:*:*:*:* Versions 3.0.8 Running on ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:nsd:3.1.0:*:*:*:*:*:*:* Versions 3.1.0 Running on ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:nsd:3.1.1:*:*:*:*:*:*:* Versions 3.1.1 Running on ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:nsd:3.2.0:*:*:*:*:*:*:* Versions 3.2.0 Running on ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:nsd:3.2.1:*:*:*:*:*:*:* Versions 3.2.1 Vulnerable ·NLNETLABS

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2009-1755
  2. 2026-10-03 Alias added: GHSA-hvfw-j69f-c8f3

References

Patch 3

Other 1

  • TI-2026-10532 Denial of DNS over TLS service by any DoT client CVSS 4.0HIGH 8.7
  • TI-2026-10531 Heap overflow and crash with crafted SVCB RR CVSS 4.0HIGH 8.7
  • TI-2016-05297 NSD before 4.1.11 allows remote DNS master servers to cause a denial of service (/tmp… CVSS 3.0HIGH 7.5
  • TI-2026-15468 Remote TCP DoS by throttling the TCP receive window CVSS 4.0MEDIUM 6.9
  • TI-2026-15894 Bypass of BLOCKED ACL items on proxy protocol port over TCP or TLS CVSS 4.0HIGH 8.2
  • TI-2026-15825 Remote UDP DoS by sending multiple DNS Cookie options CVSS 4.0HIGH 8.2
See all 11 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences