SUSE-SU-2026:2461-1: important: Security update for ldns

[SLE-UPDATES]

# Security update for ldns

Announcement ID: SUSE-SU-2026:2461-1  
Release Date: 2026-06-19T07:38:26Z  
Rating: important  
References:

  * bsc#1267670

  
Cross-References:

  * CVE-2026-10846

  
CVSS scores:

  * CVE-2026-10846 ( SUSE ):  8.2
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-10846 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
  * CVE-2026-10846 ( NVD ):  8.2
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  * CVE-2026-10846 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

  
Affected Products:

  * SUSE Linux Enterprise High Performance Computing 15 SP4
  * SUSE Linux Enterprise High Performance Computing 15 SP5
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
  * SUSE Linux Enterprise Server 15 SP4
  * SUSE Linux Enterprise Server 15 SP4 LTSS
  * SUSE Linux Enterprise Server 15 SP5
  * SUSE Linux Enterprise Server 15 SP5 LTSS
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for ldns fixes the following issue

  * CVE-2026-10846: When ldns is used by applications for (stub) resolving, it
    does not sufficiently verify that received responses belong to a sent query
    (bsc#1267670).

## 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 Linux Enterprise High Performance Computing ESPOS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-2461=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP4  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-2461=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP5  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-2461=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-2461=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-2461=1

  * SUSE Linux Enterprise Server 15 SP4 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-2461=1

  * SUSE Linux Enterprise Server 15 SP5 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-2461=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-2461=1

## Package List:

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64
    x86_64)
    * perl-DNS-LDNS-1.7.0-150000.4.11.1
    * ldns-debuginfo-1.7.0-150000.4.11.1
    * libldns2-1.7.0-150000.4.11.1
    * ldns-debugsource-1.7.0-150000.4.11.1
    * ldns-devel-1.7.0-150000.4.11.1
    * perl-DNS-LDNS-debuginfo-1.7.0-150000.4.11.1
    * libldns2-debuginfo-1.7.0-150000.4.11.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
    * perl-DNS-LDNS-1.7.0-150000.4.11.1
    * ldns-debuginfo-1.7.0-150000.4.11.1
    * libldns2-1.7.0-150000.4.11.1
    * ldns-debugsource-1.7.0-150000.4.11.1
    * ldns-devel-1.7.0-150000.4.11.1
    * perl-DNS-LDNS-debuginfo-1.7.0-150000.4.11.1
    * libldns2-debuginfo-1.7.0-150000.4.11.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
    * perl-DNS-LDNS-1.7.0-150000.4.11.1
    * ldns-debuginfo-1.7.0-150000.4.11.1
    * libldns2-1.7.0-150000.4.11.1
    * ldns-debugsource-1.7.0-150000.4.11.1
    * ldns-devel-1.7.0-150000.4.11.1
    * perl-DNS-LDNS-debuginfo-1.7.0-150000.4.11.1
    * libldns2-debuginfo-1.7.0-150000.4.11.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64
    x86_64)
    * perl-DNS-LDNS-1.7.0-150000.4.11.1
    * ldns-debuginfo-1.7.0-150000.4.11.1
    * libldns2-1.7.0-150000.4.11.1
    * ldns-debugsource-1.7.0-150000.4.11.1
    * ldns-devel-1.7.0-150000.4.11.1
    * perl-DNS-LDNS-debuginfo-1.7.0-150000.4.11.1
    * libldns2-debuginfo-1.7.0-150000.4.11.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64
    x86_64)
    * perl-DNS-LDNS-1.7.0-150000.4.11.1
    * ldns-debuginfo-1.7.0-150000.4.11.1
    * libldns2-1.7.0-150000.4.11.1
    * ldns-debugsource-1.7.0-150000.4.11.1
    * ldns-devel-1.7.0-150000.4.11.1
    * perl-DNS-LDNS-debuginfo-1.7.0-150000.4.11.1
    * libldns2-debuginfo-1.7.0-150000.4.11.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
    * perl-DNS-LDNS-1.7.0-150000.4.11.1
    * ldns-debuginfo-1.7.0-150000.4.11.1
    * libldns2-1.7.0-150000.4.11.1
    * ldns-debugsource-1.7.0-150000.4.11.1
    * ldns-devel-1.7.0-150000.4.11.1
    * perl-DNS-LDNS-debuginfo-1.7.0-150000.4.11.1
    * libldns2-debuginfo-1.7.0-150000.4.11.1
  * SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * perl-DNS-LDNS-1.7.0-150000.4.11.1
    * ldns-debuginfo-1.7.0-150000.4.11.1
    * libldns2-1.7.0-150000.4.11.1
    * ldns-debugsource-1.7.0-150000.4.11.1
    * ldns-devel-1.7.0-150000.4.11.1
    * perl-DNS-LDNS-debuginfo-1.7.0-150000.4.11.1
    * libldns2-debuginfo-1.7.0-150000.4.11.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64
    x86_64)
    * perl-DNS-LDNS-1.7.0-150000.4.11.1
    * ldns-debuginfo-1.7.0-150000.4.11.1
    * libldns2-1.7.0-150000.4.11.1
    * ldns-debugsource-1.7.0-150000.4.11.1
    * ldns-devel-1.7.0-150000.4.11.1
    * perl-DNS-LDNS-debuginfo-1.7.0-150000.4.11.1
    * libldns2-debuginfo-1.7.0-150000.4.11.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-10846.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1267670

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