CVE-2026-33261Disclosure(powerdns / recursor)

LOWCVSS 5.9 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

A zone transition from NSEC to NSEC3 might trigger an internal inconsistency and cause a denial of service.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-353

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • recursor

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Affected systems

Vendors
Products
recursor

1 version affected across 1 product

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-04-22: 1Technical Details · 2026-04-22: 104-22
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • CVE@CVEnew
    Disclosure

    CVE-2026-33261 A zone transition from NSEC to NSEC3 might trigger an internal inconsistency and cause a denial of service. https://www.cve.org/CVERecord?id=CVE-2026-33261

    Post summary

    The text announces CVE-2026-33261, describing a denial‑of‑service issue caused by an internal inconsistency during a zone transition from NSEC to NSEC3.

    00000161
    57.2K followersView on X
CPE platform detail2 entries

2 of 2 entries

PartVendorProductVersionTarget SWTarget HW
Apppowerdnsrecursor---
Apppowerdnsrecursor5.4.0--

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