CVE-2005-0877

dnsmasq: DNS cache poisoning from local network may lead to DoS

Loading…

Severity

Moderate

Red Hat Product Security

5.7

CVSS 3.1

Review impact separately from score.

Published · October 2, 2021

Updated · November 21, 2025

Description

Dnsmasq before 2.21 allows remote attackers to poison the DNS cache via answers to queries that were not made by Dnsmasq.

Statement

RHOSP deployments are not affected because they pull dnsmasq directly from the rhel-7-server channel. A RHOSP dnsmasq update will therefore not be provided at this time. All RHEL versions are not affected because they have the updated/fixed dnsmasq.

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 3.1 · 5.7
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CWE-346 · Origin Validation Error