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CVE-2026-39155

CVE-kwetsbaarheidsdetails - eXtreme Datacenter Security Operations

Gepubliceerd 2026-07-23 00:00:00

Laatst bijgewerkt 2026-07-24 19:35:57

Toegewezen door mitre

CVSS-score 6.5

Status PUBLISHED

Beschrijving

Knot DNS before 3.4.10 and 3.5.x before 3.5.4 contains a vulnerability in mod-onlinesign where the next NSEC owner name can be computed incorrectly. This can create an overly broad authenticated denial interval, allowing downstream validating resolvers using aggressive negative caching to synthesize negative answers for legitimate names and causing resolver-side denial of service.

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