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openSUSE 15.5 Bind Important CPU Load Issue Fix SUSE-2026-1230-1

opensuse
Calendar Grey April 9, 2026
Dist Opensuse Esm H88
An important update for bind addresses high CPU load issue on openSUSE systems. Patch available now to enhance security.
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).

Topics%20covered

Topics Covered

security advisory denial of service bind important OpenSUSE high cpu load

Patch

## 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 15.5

zypper in -t patch SUSE-2026-1230=1

* SUSE Linux Enterprise Micro 5.5

zypper in -t patch SUSE-SLE-Micro-5.5-2026-1230=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-1230=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-1230=1

* SUSE Linux Enterprise Server 15 SP5 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-1230=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP5

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-1230=1

Package List

* openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64 i586)

* bind-debugsource-9.16.50-150500.8.35.1

* bind-utils-debuginfo-9.16.50-150500.8.35.1

* bind-9.16.50-150500.8.35.1

* bind-utils-9.16.50-150500.8.35.1

* bind-debuginfo-9.16.50-150500.8.35.1

* openSUSE Leap 15.5 (noarch)

* python3-bind-9.16.50-150500.8.35.1

* bind-doc-9.16.50-150500.8.35.1

* SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)

* bind-utils-9.16.50-150500.8.35.1

* bind-utils-debuginfo-9.16.50-150500.8.35.1

* SUSE Linux Enterprise Micro 5.5 (noarch)

* python3-bind-9.16.50-150500.8.35.1

* SUSE Linux Enterprise Micro 5.5 (x86_64)

* bind-debugsource-9.16.50-150500.8.35.1

* bind-debuginfo-9.16.50-150500.8.35.1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64

x86_64)

* bind-debugsource-9.16.50-150500.8.35.1

* bind-utils-debuginfo-9.16.50-150500.8.35.1

* bind-9.16.50-150500.8.35.1

* bind-utils-9.16.50-150500.8.35.1

* bind-debuginfo-9.16.50-150500.8.35.1

* SUSE Linux Enterprise High Performance Computing ESPOS 15...

Read the Full Advisory

References

* bsc#1260805

## References:

* https://www.suse.com/security/cve/CVE-2026-1519.html

* https://bugzilla.suse.com/show_bug.cgi?id=1260805

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:1230-1
Release Date: 2026-04-09T08:58:39Z
Affected Products: * openSUSE Leap 15.5 * SUSE Linux Enterprise High Performance Computing 15 SP5 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 * SUSE Linux Enterprise Micro 5.5 * SUSE Linux Enterprise Server 15 SP5 * SUSE Linux Enterprise Server 15 SP5 LTSS * SUSE Linux Enterprise Server for SAP Applications 15 SP5

Topics%20covered

Topics Covered

security advisory denial of service bind important OpenSUSE high cpu load

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