VDB

CVE-2026-0398

CVE-2026-0398 PUBLISHED CVSS 5.300000190734863 MEDIUM

Crafted zones can lead to increased resource usage and crafted CNAME chains can lead to cache poisoning in Recursor.

EPSS 0.01% · 0.7th percentile

Risk Scores

CVSS v3.1
5.300000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS Score
0.01%
0.7th percentile

Affected Products

VendorProductVersions
powerdnsrecursor5.1.0, 5.2.8, 5.3.0
PowerDNSRecursor5.3.0, 5.2.0, 5.1.0

Timeline

  • Nov 28, 2025 CVE ID Reserved
  • Feb 9, 2026 CVE Published
  • Feb 9, 2026 CVE Updated
  • Feb 10, 2026 EPSS Score
  • Feb 12, 2026 EPSS Score
  • Feb 14, 2026 EPSS Score
  • Feb 16, 2026 EPSS Score
  • Feb 18, 2026 EPSS Score
  • Feb 20, 2026 EPSS Score
  • Feb 22, 2026 EPSS Score
  • Feb 24, 2026 EPSS Score
  • Feb 26, 2026 EPSS Score
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