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SUSE 2026 1209-1 Bind Important High CPU Load Fix CVE-2026-1519

suse
Calendar Grey April 8, 2026
Dist Suse Esm H88
SUSE's security update for bind addresses important high CPU load issue caused by CVE-2026-1519. Immediate action recommended.

An update that solves one vulnerability can now be installed.

Summary

## 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

Topics%20covered

Topics Covered

security advisory SuSE bind important high CPU cve-2026-1519

References

* bsc#1260805

Cross-

* 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.

##

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

Severity
important
Lowest
Low
Medium
High
Critical

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

Topics%20covered

Topics Covered

security advisory SuSE bind important high CPU cve-2026-1519

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