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5.3 Moyenne

CVE-2026-96405 NLnet Labs Unbound up to and including version 1.26.1 limits compression-pointer traversal for each individual…

Description

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.

Produits et versions touchés

Produit Versions touchées Corrigé en
unbound 1.26 premières → < 1.26.2 1.26.2

Références

Chronologie

  1. Publiée
  2. Dernière modification

Autres CVE de unbound

Les 58 CVE de unbound →
CVE-2026-97206 NLnet Labs Unbound, 1.22.0 up to and including version 1.26.1, contains a DNS-over-QUIC (DoQ) lifetime bug reachable… 7.5 Élevée CVE-2026-50106 When NLnet Labs Unbound up to and including version 1.26.1 is configured with both a root trust anchor and an additional… 6.5 Moyenne CVE-2026-35501 When NLnet Labs Unbound 1.0.1 up to and including version 1.26.1 is configured with both a root trust anchor and an… 3.7 Faible CVE-2026-109125 In NLnet Labs Unbound up to and including version 1.26.1, an observable cache-level side-channel can be exposed with… 5.3 Moyenne
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