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7.5

Bind Vulnerability: Authentication Bypass in DNS Server

published 2 years ago
Summary

A vulnerability in the Bind DNS server can allow an attacker to bypass authentication and access the server. This affects systems running Bind on Red Hat Enterprise Linux. To protect your system, apply the latest security update as soon as possible.

What to do
  • Update redhat bind to version 32:9.16.23-1.el9_0.7.
  • Update redhat bind-chroot to version 32:9.16.23-1.el9_0.7.
  • Update redhat bind-debuginfo to version 32:9.16.23-1.el9_0.7.
  • Update redhat bind-debugsource to version 32:9.16.23-1.el9_0.7.
  • Update redhat bind-dnssec-doc to version 32:9.16.23-1.el9_0.7.
  • Update redhat bind-dnssec-utils to version 32:9.16.23-1.el9_0.7.
  • Update redhat bind-dnssec-utils-debuginfo to version 32:9.16.23-1.el9_0.7.
  • Update redhat bind-dyndb-ldap to version 0:11.9-7.el9_0.3.
  • Update redhat bind-dyndb-ldap-debuginfo to version 0:11.9-7.el9_0.3.
  • Update redhat bind-dyndb-ldap-debugsource to version 0:11.9-7.el9_0.3.
  • Update redhat bind-libs to version 32:9.16.23-1.el9_0.7.
  • Update redhat bind-libs-debuginfo to version 32:9.16.23-1.el9_0.7.
  • Update redhat bind-license to version 32:9.16.23-1.el9_0.7.
  • Update redhat bind-utils to version 32:9.16.23-1.el9_0.7.
  • Update redhat bind-utils-debuginfo to version 32:9.16.23-1.el9_0.7.
  • Update redhat python3-bind to version 32:9.16.23-1.el9_0.7.
Affected software
Ecosystem VendorProductAffected versions
Red Hat:rhel_e4s:9.0::appstream redhat bind < 32:9.16.23-1.el9_0.7
Fix: upgrade to 32:9.16.23-1.el9_0.7
Red Hat:rhel_e4s:9.0::appstream redhat bind-chroot < 32:9.16.23-1.el9_0.7
Fix: upgrade to 32:9.16.23-1.el9_0.7
Red Hat:rhel_e4s:9.0::appstream redhat bind-debuginfo < 32:9.16.23-1.el9_0.7
Fix: upgrade to 32:9.16.23-1.el9_0.7
Red Hat:rhel_e4s:9.0::appstream redhat bind-debugsource < 32:9.16.23-1.el9_0.7
Fix: upgrade to 32:9.16.23-1.el9_0.7
Red Hat:rhel_e4s:9.0::appstream redhat bind-dnssec-doc < 32:9.16.23-1.el9_0.7
Fix: upgrade to 32:9.16.23-1.el9_0.7
Red Hat:rhel_e4s:9.0::appstream redhat bind-dnssec-utils < 32:9.16.23-1.el9_0.7
Fix: upgrade to 32:9.16.23-1.el9_0.7
Red Hat:rhel_e4s:9.0::appstream redhat bind-dnssec-utils-debuginfo < 32:9.16.23-1.el9_0.7
Fix: upgrade to 32:9.16.23-1.el9_0.7
Red Hat:rhel_e4s:9.0::appstream redhat bind-dyndb-ldap < 0:11.9-7.el9_0.3
Fix: upgrade to 0:11.9-7.el9_0.3
Red Hat:rhel_e4s:9.0::appstream redhat bind-dyndb-ldap-debuginfo < 0:11.9-7.el9_0.3
Fix: upgrade to 0:11.9-7.el9_0.3
Red Hat:rhel_e4s:9.0::appstream redhat bind-dyndb-ldap-debugsource < 0:11.9-7.el9_0.3
Fix: upgrade to 0:11.9-7.el9_0.3
Red Hat:rhel_e4s:9.0::appstream redhat bind-libs < 32:9.16.23-1.el9_0.7
Fix: upgrade to 32:9.16.23-1.el9_0.7
Red Hat:rhel_e4s:9.0::appstream redhat bind-libs-debuginfo < 32:9.16.23-1.el9_0.7
Fix: upgrade to 32:9.16.23-1.el9_0.7
Red Hat:rhel_e4s:9.0::appstream redhat bind-license < 32:9.16.23-1.el9_0.7
Fix: upgrade to 32:9.16.23-1.el9_0.7
Red Hat:rhel_e4s:9.0::appstream redhat bind-utils < 32:9.16.23-1.el9_0.7
Fix: upgrade to 32:9.16.23-1.el9_0.7
Red Hat:rhel_e4s:9.0::appstream redhat bind-utils-debuginfo < 32:9.16.23-1.el9_0.7
Fix: upgrade to 32:9.16.23-1.el9_0.7
Red Hat:rhel_e4s:9.0::appstream redhat python3-bind < 32:9.16.23-1.el9_0.7
Fix: upgrade to 32:9.16.23-1.el9_0.7
Original advisory text
Red Hat Security Advisory: bind and bind-dyndb-ldap security update
Fix within
Internet-facing 14 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker partial control (estimated)
Severity
7.5 High
Timeline
Published27 Sep 2024
Updated25 Mar 2026
First seen25 Mar 2026
Sources
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