RHSA-2023:2261: Moderate: bind security and bug fix update
The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols. BIND includes a DNS server (named); a resolver library (routines for applications to use when interfacing with DNS); and tools for verifying that the DNS server is operating correctly.Security Fix(es): bind: processing large delegations may severely degrade resolver performance (CVE-2022-2795) bind: flooding with UPDATE requests may lead to DoS (CVE-2022-3094) bind: sending specific queries to the resolver may cause a DoS (CVE-2022-3736) bind: sending specific queries to the resolver may cause a DoS (CVE-2022-3924) 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 9.2 Release Notes linked from the References section.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2023:2261?
The RHSA-2023:2261 vulnerability is classified as important.
How do I fix RHSA-2023:2261?
To resolve RHSA-2023:2261, update the BIND package to version 9.16.23-11.el9 or later.
What specific packages are affected by RHSA-2023:2261?
The affected packages include bind, bind-chroot, bind-libs, and several others as listed in the advisory.
Is there a workaround for RHSA-2023:2261?
No specific workarounds are recommended for RHSA-2023:2261; applying the update is advised.
What systems are impacted by RHSA-2023:2261?
RHSA-2023:2261 impacts systems running affected versions of BIND on Red Hat Enterprise Linux 9.