Security update for bind

SUSE Security Update: Security update for bind
Announcement ID: SUSE-SU-2021:3657-1
Rating: important
References: #1192146
Affected Products:
  • SUSE Linux Enterprise Software Development Kit 12-SP5
  • SUSE Linux Enterprise Server 12-SP5

An update that fixes one vulnerability is now available.


This update for bind fixes the following issues:

  • CVE-2021-25219: Fixed lame cache that could have been abused to severely degrade resolver performance (bsc#1192146).

Patch Instructions:

To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  • SUSE Linux Enterprise Software Development Kit 12-SP5:
    zypper in -t patch SUSE-SLE-SDK-12-SP5-2021-3657=1
  • SUSE Linux Enterprise Server 12-SP5:
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-3657=1

Package List:

  • SUSE Linux Enterprise Software Development Kit 12-SP5 (aarch64 ppc64le s390x x86_64):
    • bind-debuginfo-9.11.22-3.37.1
    • bind-debugsource-9.11.22-3.37.1
    • bind-devel-9.11.22-3.37.1
  • SUSE Linux Enterprise Server 12-SP5 (aarch64 ppc64le s390x x86_64):
    • bind-9.11.22-3.37.1
    • bind-chrootenv-9.11.22-3.37.1
    • bind-debuginfo-9.11.22-3.37.1
    • bind-debugsource-9.11.22-3.37.1
    • bind-utils-9.11.22-3.37.1
    • bind-utils-debuginfo-9.11.22-3.37.1
    • libbind9-161-9.11.22-3.37.1
    • libbind9-161-debuginfo-9.11.22-3.37.1
    • libdns1110-9.11.22-3.37.1
    • libdns1110-debuginfo-9.11.22-3.37.1
    • libirs161-9.11.22-3.37.1
    • libirs161-debuginfo-9.11.22-3.37.1
    • libisc1107-9.11.22-3.37.1
    • libisc1107-debuginfo-9.11.22-3.37.1
    • libisccc161-9.11.22-3.37.1
    • libisccc161-debuginfo-9.11.22-3.37.1
    • libisccfg163-9.11.22-3.37.1
    • libisccfg163-debuginfo-9.11.22-3.37.1
    • liblwres161-9.11.22-3.37.1
    • liblwres161-debuginfo-9.11.22-3.37.1
  • SUSE Linux Enterprise Server 12-SP5 (s390x x86_64):
    • libisc1107-32bit-9.11.22-3.37.1
    • libisc1107-debuginfo-32bit-9.11.22-3.37.1
  • SUSE Linux Enterprise Server 12-SP5 (noarch):
    • bind-doc-9.11.22-3.37.1
    • python-bind-9.11.22-3.37.1