RHSA-2022:7643: Important: bind9.16 security 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: DNS forwarders - cache poisoning vulnerability (CVE-2021-25220) bind: DoS from specifically crafted TCP packets (CVE-2022-0396) 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 8.7 Release Notes linked from the References section.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2022:7643?
The severity of RHSA-2022:7643 is classified as important.
How do I fix RHSA-2022:7643?
To fix RHSA-2022:7643, you should upgrade BIND to version 9.16.23-0.9.el8.1 or later.
What systems are affected by RHSA-2022:7643?
RHSA-2022:7643 affects various packages versions of BIND including bind9.16 and its associated libraries and utilities.
What vulnerabilities are addressed in RHSA-2022:7643?
RHSA-2022:7643 addresses multiple vulnerabilities including those related to DNS query handling in BIND.
When was RHSA-2022:7643 released?
RHSA-2022:7643 was released on December 20, 2022.