CVE-2017-15105

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CVSS 3.0

5.3 medium

EPSS

3%p85

Published

Jan 23, 2018 (Jan 23, 2018)

Modified

Jun 17, 2026

Description

A flaw was found in the way unbound before 1.6.8 validated wildcard-synthesized NSEC records. An improperly validated wildcard NSEC record could be used to prove the non-existence (NXDOMAIN answer) of an existing wildcard record, or trick unbound into accepting a NODATA proof.

Vendors: nlnetlabs debian canonical
Products: unbound, debian linux, ubuntu linux
Weakness: CWE-358, CWE-20
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (2.6%)

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