SUSE-SU-2026:1209-1: important: Security update for bind

[SLE-SECURITY-UPDATES]

# Security update for bind

Announcement ID: SUSE-SU-2026:1209-1  
Release Date: 2026-04-08T07:12:48Z  
Rating: important  
References:

  * bsc#1260805

  
Cross-References:

  * CVE-2026-1519

  
CVSS scores:

  * CVE-2026-1519 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-1519 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-1519 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * SUSE Linux Enterprise Micro 5.0
  * SUSE Linux Enterprise Micro 5.1
  * SUSE Linux Enterprise Micro 5.2
  * SUSE Linux Enterprise Micro 5.3
  * SUSE Linux Enterprise Micro 5.4
  * SUSE Linux Enterprise Micro 5.5
  * SUSE Manager Client Tools for SLE Micro 5
  * SUSE Multi-Linux Manager Client Tools for SLE Micro 5

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for bind fixes the following issues:

  * CVE-2026-1519: high CPU load during insecure delegation validation due to
    excessive NSEC3 iterations (bsc#1260805).

## Patch Instructions:

To install this SUSE 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 Multi-Linux Manager Client Tools for SLE Micro 5  
    zypper in -t patch SUSE-MultiLinuxManagerTools-SLE-Micro-5-2026-1209=1

  * SUSE Manager Client Tools for SLE Micro 5  
    zypper in -t patch SUSE-SLE-Manager-Tools-For-Micro-5-2026-1209=1

## Package List:

  * SUSE Multi-Linux Manager Client Tools for SLE Micro 5 (aarch64 ppc64le s390x
    x86_64)
    * libirs1601-debuginfo-9.16.6-150000.12.88.1
    * libisccfg1600-9.16.6-150000.12.88.1
    * libisc1606-debuginfo-9.16.6-150000.12.88.1
    * libisccfg1600-debuginfo-9.16.6-150000.12.88.1
    * libns1604-9.16.6-150000.12.88.1
    * bind-debuginfo-9.16.6-150000.12.88.1
    * libbind9-1600-9.16.6-150000.12.88.1
    * libisc1606-9.16.6-150000.12.88.1
    * libns1604-debuginfo-9.16.6-150000.12.88.1
    * bind-utils-debuginfo-9.16.6-150000.12.88.1
    * libdns1605-debuginfo-9.16.6-150000.12.88.1
    * libdns1605-9.16.6-150000.12.88.1
    * libisccc1600-debuginfo-9.16.6-150000.12.88.1
    * bind-utils-9.16.6-150000.12.88.1
    * libbind9-1600-debuginfo-9.16.6-150000.12.88.1
    * libirs1601-9.16.6-150000.12.88.1
    * libisccc1600-9.16.6-150000.12.88.1
    * bind-debugsource-9.16.6-150000.12.88.1
  * SUSE Multi-Linux Manager Client Tools for SLE Micro 5 (noarch)
    * python3-bind-9.16.6-150000.12.88.1
  * SUSE Manager Client Tools for SLE Micro 5 (aarch64 s390x x86_64)
    * libisccfg1600-9.16.6-150000.12.88.1
    * libns1604-9.16.6-150000.12.88.1
    * libbind9-1600-9.16.6-150000.12.88.1
    * libisc1606-9.16.6-150000.12.88.1
    * libns1604-debuginfo-9.16.6-150000.12.88.1
    * libdns1605-9.16.6-150000.12.88.1
    * bind-utils-9.16.6-150000.12.88.1
    * libirs1601-9.16.6-150000.12.88.1
    * libisccc1600-9.16.6-150000.12.88.1
  * SUSE Manager Client Tools for SLE Micro 5 (aarch64_ilp32)
    * libisc1606-64bit-9.16.6-150000.12.88.1
    * libisccfg1600-64bit-9.16.6-150000.12.88.1
    * libbind9-1600-64bit-9.16.6-150000.12.88.1
    * libdns1605-64bit-9.16.6-150000.12.88.1
    * libisccc1600-64bit-9.16.6-150000.12.88.1
    * libirs1601-64bit-9.16.6-150000.12.88.1
  * SUSE Manager Client Tools for SLE Micro 5 (noarch)
    * python3-bind-9.16.6-150000.12.88.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-1519.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1260805

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