CVE-2017-15107

dnsmasq: Improper validation of wildcard synthesized NSEC records

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Severity

Moderate

Red Hat Product Security

5.4

CVSS 3.0

Review impact separately from score.

Published · January 19, 2018

Updated · November 22, 2025

Description

A vulnerability was found in Dnsmasq's implementation of DNSSEC. Wildcard synthesized NSEC records could be improperly interpreted to prove the non-existence of hostnames that actually exist.

Statement

Versions of Dnsmasq shipped with Red Hat Enterprise Linux are built without DNSSEC support, so they are not affected by this issue.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 5.4
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:L

CWE-358 · Improperly Implemented Security Check for Standard