RHSA-2020:3878 — Security Advisory
Red Hat Security Advisory: dnsmasq security and bug fix update
Severity
LowRed Hat Product Security
Products
Official CSAF product identity
Published · September 30, 2020
Updated · June 25, 2026
Topic
An update for dnsmasq 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
The dnsmasq packages contain Dnsmasq, a lightweight DNS (Domain Name Server) forwarder and DHCP (Dynamic Host Configuration Protocol) server.
Security Fix(es):
- dnsmasq: memory leak in the create_helper() function in /src/helper.c (CVE-2019-14834)
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 7.9 Release Notes linked from the References section.