RHSA-2020:1176 — Security Advisory
Red Hat Security Advisory: avahi security update
Severity
LowRed Hat Product Security
Products
Official CSAF product identity
Published · April 1, 2020
Updated · June 27, 2026
Topic
An update for avahi is now available for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
Avahi is an implementation of the DNS Service Discovery and Multicast DNS specifications for Zero Configuration Networking. It facilitates service discovery on a local network. Avahi and Avahi-aware applications allow you to plug your computer into a network and, with no configuration, view other people to chat with, view printers to print with, and find shared files on other computers.
Security Fix(es):
- avahi: Multicast DNS responds to unicast queries outside of local network (CVE-2017-6519)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.8 Release Notes linked from the References section.