VDB

CVE-2026-33259

CVE-2026-33259 PUBLISHED CVSS 5 MEDIUM

Having many concurrent transfers of the same RPZ can lead to inconsistent RPZ data, use after free and/or a crash of the recursor. Normally concurrent transfers of the same RPZ zone can only occur with a malfunctioning RPZ provider.

EPSS 0.00% · 0.0th percentile

Risk Scores

CVSS v3.1
5
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:H
EPSS Score
0.00%
0.0th percentile

Affected Products

VendorProductVersions
PowerDNSRecursor5.3.0, 5.2.0, 5.4.0

Timeline

  • Apr 22, 2026 CVE Published
  • Apr 22, 2026 PoC Published
  • Apr 22, 2026 CVE Updated
  • Apr 23, 2026 Security Advisory
  • May 18, 2026 EPSS Score
  • May 19, 2026 EPSS Score
  • May 20, 2026 EPSS Score
  • May 21, 2026 EPSS Score
  • May 22, 2026 EPSS Score
  • May 23, 2026 EPSS Score
  • May 24, 2026 EPSS Score
  • May 25, 2026 EPSS Score
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