RHSA-2026:36318 — Security Advisory

An update for aardvark-dns is now available for Red Hat Enterprise Linux 9.

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.

Authoritative DNS server for A/AAAA container records Forwards other request to configured resolvers. Read more about configuration in src/backend/mod.rs.

Security Fix(es):

• aardvark-dns: Aardvark-dns: Denial of Service via truncated TCP DNS query and connection reset (CVE-2026-35406)

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.