RHSA-2023:2771 — Security Advisory
Red Hat Security Advisory: unbound security and bug fix update
Severity
ModerateRed Hat Product Security
Products
Official CSAF product identity
Published · May 16, 2023
Updated · August 5, 2026
Topic
An update for unbound 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 unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver.
Security Fix(es):
- unbound: NRDelegation attack leads to uncontrolled resource consumption (Non-Responsive Delegation Attack) (CVE-2022-3204)
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 8.8 Release Notes linked from the References section.