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TI-2018-00967 Aliases CVE-2018-1046GHSA-622f-mfw7-jxg6

Stack-based buffer overflow in [UNKNOWN] pdns

Priority LOW 37CWE-121Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.

Summary

pdns before version 4.1.2 is vulnerable to a buffer overflow in dnsreplay. In the dnsreplay tool provided with PowerDNS Authoritative, replaying a specially crafted PCAP file can trigger a stack-based buffer overflow, leading to a crash and potentially arbitrary code execution. This buffer overflow only occurs when the -ecs-stamp option of dnsreplay is used.

Why it matters now

EPSS 0.01411 72nd 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
[UNKNOWN]pdnspdns 4.1.2—No fix listedCNA
  • pdns Vendor[UNKNOWN] Affected pdns 4.1.2 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:powerdns:pdns:*:*:*:*:*:*:*:*before 4.1.2VulnerablePowerDNS
  • cpe:2.3:a:powerdns:pdns:*:*:*:*:*:*:*:* Versions before 4.1.2 Vulnerable ·PowerDNS

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-2018-1046
  2. 2026-10-03 Alias added: GHSA-622f-mfw7-jxg6

References

Patch 1

Sources

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