RHSA-2022:2043 — Security Advisory
Red Hat Security Advisory: c-ares security update
Severity
ModerateRed Hat Product Security
Products
Official CSAF product identity
Published · May 10, 2022
Updated · November 2, 2026
Topic
An update for c-ares is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact of Moderate. 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 c-ares C library defines asynchronous DNS (Domain Name System) requests and provides name resolving API.
Security Fix(es):
- c-ares: Missing input validation of host names may lead to domain hijacking (CVE-2021-3672)
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 8.6 Release Notes linked from the References section.