SUSE 12 SP5 DNS Management Optimization Issues Solution SUSE-SU-2026-1234-6
suse
April 9, 2026
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 Linux Enterprise Server 12 SP5 LTSS zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-1229=1 * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-1229=1 ## Package List: * SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64) * libirs161-debuginfo-9.11.22-3.68.1 * libisccfg163-9.11.22-3.68.1 * bind-9.11.22-3.68.1
Topics Covered
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 High Performance Computing 12 SP5
* SUSE Linux Enterprise Server 12 SP5
* SUSE Linux Enterprise Server 12 SP5 LTSS
* SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
* SUSE Linux Enterprise Server for SAP Applications 12 SP5
An update that solves one vulnerability can now be installed.
##
* https://www.suse.com/security/cve/CVE-2026-1519.html
* https://bugzilla.suse.com/show_bug.cgi?id=1260805
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Severity
important
Lowest
Low
Medium
High
Critical
Announcement ID: SUSE-SU-2026:1229-1
Release Date: 2026-04-09T08:58:10Z
Rating: important
Topics Covered
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