vulnerability

Ubuntu: USN-3673-1 (CVE-2017-15105): Unbound vulnerability

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
Oct 8, 2017
Added
Jun 13, 2018
Modified
Aug 18, 2025

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.

Solutions

ubuntu-upgrade-libunbound2ubuntu-upgrade-unbound
Title
NEW

Explore Exposure Command

Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.