RHSA-2023:7543 — Security Advisory

An update for c-ares is now available for Red Hat Enterprise Linux 8.8 Extended Update Support.

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.

The c-ares C library defines asynchronous DNS (Domain Name System) requests and provides name resolving API.

Security Fix(es):

• c-ares: buffer overflow in config_sortlist() due to missing string length check (CVE-2022-4904)

• c-ares: Buffer Underwrite in ares_inet_net_pton() (CVE-2023-31130)

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.