SUSE-SU-2026:1312-1: important: Security update for bind

[SLE-UPDATES]

# Security update for bind

Announcement ID: SUSE-SU-2026:1312-1  
Release Date: 2026-04-14T10:46:38Z  
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:

  * openSUSE Leap 15.6
  * SUSE Linux Enterprise Server 15 SP6
  * SUSE Linux Enterprise Server 15 SP6 LTSS
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6

  
  
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:

  * openSUSE Leap 15.6  
    zypper in -t patch SUSE-2026-1312=1 openSUSE-SLE-15.6-2026-1312=1

  * SUSE Linux Enterprise Server 15 SP6 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-1312=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP6  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-1312=1

## Package List:

  * openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)
    * bind-debugsource-9.18.33-150600.3.21.1
    * bind-utils-9.18.33-150600.3.21.1
    * bind-utils-debuginfo-9.18.33-150600.3.21.1
    * bind-9.18.33-150600.3.21.1
    * bind-debuginfo-9.18.33-150600.3.21.1
  * openSUSE Leap 15.6 (noarch)
    * bind-doc-9.18.33-150600.3.21.1
  * SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
    * bind-debugsource-9.18.33-150600.3.21.1
    * bind-utils-9.18.33-150600.3.21.1
    * bind-utils-debuginfo-9.18.33-150600.3.21.1
    * bind-9.18.33-150600.3.21.1
    * bind-debuginfo-9.18.33-150600.3.21.1
  * SUSE Linux Enterprise Server 15 SP6 LTSS (noarch)
    * bind-doc-9.18.33-150600.3.21.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
    * bind-debugsource-9.18.33-150600.3.21.1
    * bind-utils-9.18.33-150600.3.21.1
    * bind-utils-debuginfo-9.18.33-150600.3.21.1
    * bind-9.18.33-150600.3.21.1
    * bind-debuginfo-9.18.33-150600.3.21.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (noarch)
    * bind-doc-9.18.33-150600.3.21.1

## References:

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

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