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CVE-2026-96405

5.3 medium Awaiting Analysis
NVD · CVE.org

NLnet Labs Unbound up to and including version 1.26.1 limits compression-pointer traversal for each individual domain-name operation but has no aggregate inbound decompression-work budget. Many chained compression pointers in a message results in a lot of CPU usage following them. A malicious actor with recursive-query access and control of an ordinarily delegated authority that serves specially crafted replies can exploit the vulnerability and degrade Unbound's general performance.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 3

  1. StatusPublished → Awaiting AnalysisNVD modified 2026-10-22 15:22
  2. StatusReceived → PublishedNVD modified 2026-10-21 08:57
  3. First seenCVSS 5.3NVD modified 2026-10-21 09:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 1