SUSE-SU-2026:4772-1: important: Security update for bind

SLE-SECURITY-UPDATES null at suse.de
Wed Oct 21 08:30:53 UTC 2026 

# Security update for bind

Announcement ID: SUSE-SU-2026:4772-1  
Release Date: 2026-10-20T17:58:11Z  
Rating: important  
References:

  * bsc#1280430
  * bsc#1280432
  * bsc#1280433
  * bsc#1280435
  * bsc#1280436
  * bsc#1280437
  * bsc#1280438
  * bsc#1280440
  * bsc#1280442
  * bsc#1280443

  
Cross-References:

  * CVE-2026-19033
  * CVE-2026-19662
  * CVE-2026-19666
  * CVE-2026-19667
  * CVE-2026-19668
  * CVE-2026-19941
  * CVE-2026-75029
  * CVE-2026-77119
  * CVE-2026-78301
  * CVE-2026-80274

  
CVSS scores:

  * CVE-2026-19033 ( SUSE ):  8.3
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-19033 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L
  * CVE-2026-19033 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L
  * CVE-2026-19662 ( SUSE ):  8.2
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-19662 ( SUSE ):  5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-19662 ( NVD ):  5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-19666 ( 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-2026-19666 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-19666 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-19667 ( 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-2026-19667 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-19667 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-19668 ( SUSE ):  6.9
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-19668 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-19668 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-19941 ( 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-2026-19941 ( SUSE ):  5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
  * CVE-2026-19941 ( NVD ):  5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
  * CVE-2026-75029 ( SUSE ):  6.9
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-75029 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-75029 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-77119 ( 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-2026-77119 ( SUSE ):  5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
  * CVE-2026-77119 ( NVD ):  5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
  * CVE-2026-78301 ( SUSE ):  8.9
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N
  * CVE-2026-78301 ( SUSE ):  5.8 CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N
  * CVE-2026-78301 ( NVD ):  5.8 CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N
  * CVE-2026-80274 ( 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-2026-80274 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-80274 ( 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 15.5
  * 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

  
  
An update that solves 10 vulnerabilities can now be installed.

## Description:

This update for bind fixes the following issues:

  * CVE-2026-19033: Unauthenticated IXFR deltas are applied to the live zone
    before TSIG verification (bsc#1280430).
  * CVE-2026-19662: qpcache NOQNAME proof use-after-free crashes recursive
    resolver (bsc#1280432).
  * CVE-2026-19666: Use-after-free in query_addnoqnameproof() via the DNS64
    filter64 path (bsc#1280433).
  * CVE-2026-19667: Remote assertion failure via 16-bit length truncation in
    dns_ncache_add() (bsc#1280435).
  * CVE-2026-19668: Resource Exhaustion via Excessive DNSSEC Cryptographic
    Material Matching (bsc#1280436).
  * CVE-2026-19941: checkwildcard() accepts an out-of-zone NSEC as a wildcard-
    nonexistence proof (bsc#1280437).
  * CVE-2026-75029: Message parser retains every identical singleton RDATA,
    enabling wire-to-work amplification (bsc#1280438).
  * CVE-2026-77119: NSEC3 insecure-referral proof can use unrelated cached NSEC3
    RRsets (bsc#1280440).
  * CVE-2026-78301: Out-of-zone database nodes can become authoritative zone
    cuts (bsc#1280442).
  * CVE-2026-80274: Validating resolver can abort while caching a mismatched
    NOQNAME proof (bsc#1280443).

## 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 for SAP Applications 15 SP5  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-4772

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-4772

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-4772

  * openSUSE Leap 15.5  
    zypper in -t patch SUSE-2026-4772

  * SUSE Linux Enterprise Micro 5.5  
    zypper in -t patch SUSE-SLE-Micro-5.5-2026-4772

  * SUSE Linux Enterprise Server 15 SP5 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-4772

## Package List:

  * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
    * bind-utils-debuginfo-9.16.50-150500.8.46.1
    * bind-debuginfo-9.16.50-150500.8.46.1
    * bind-debugsource-9.16.50-150500.8.46.1
    * bind-utils-9.16.50-150500.8.46.1
    * bind-9.16.50-150500.8.46.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (noarch)
    * bind-doc-9.16.50-150500.8.46.1
    * python3-bind-9.16.50-150500.8.46.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64
    x86_64)
    * bind-utils-debuginfo-9.16.50-150500.8.46.1
    * bind-debuginfo-9.16.50-150500.8.46.1
    * bind-debugsource-9.16.50-150500.8.46.1
    * bind-utils-9.16.50-150500.8.46.1
    * bind-9.16.50-150500.8.46.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (noarch)
    * bind-doc-9.16.50-150500.8.46.1
    * python3-bind-9.16.50-150500.8.46.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64
    x86_64)
    * bind-utils-debuginfo-9.16.50-150500.8.46.1
    * bind-debuginfo-9.16.50-150500.8.46.1
    * bind-debugsource-9.16.50-150500.8.46.1
    * bind-utils-9.16.50-150500.8.46.1
    * bind-9.16.50-150500.8.46.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (noarch)
    * bind-doc-9.16.50-150500.8.46.1
    * python3-bind-9.16.50-150500.8.46.1
  * openSUSE Leap 15.5 (aarch64 i586 ppc64le s390x x86_64)
    * bind-utils-debuginfo-9.16.50-150500.8.46.1
    * bind-debuginfo-9.16.50-150500.8.46.1
    * bind-debugsource-9.16.50-150500.8.46.1
    * bind-utils-9.16.50-150500.8.46.1
    * bind-9.16.50-150500.8.46.1
  * openSUSE Leap 15.5 (noarch)
    * bind-doc-9.16.50-150500.8.46.1
    * python3-bind-9.16.50-150500.8.46.1
  * SUSE Linux Enterprise Micro 5.5 (x86_64)
    * bind-debugsource-9.16.50-150500.8.46.1
    * bind-debuginfo-9.16.50-150500.8.46.1
  * SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)
    * bind-utils-9.16.50-150500.8.46.1
    * bind-utils-debuginfo-9.16.50-150500.8.46.1
  * SUSE Linux Enterprise Micro 5.5 (noarch)
    * python3-bind-9.16.50-150500.8.46.1
  * SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * bind-utils-debuginfo-9.16.50-150500.8.46.1
    * bind-debuginfo-9.16.50-150500.8.46.1
    * bind-debugsource-9.16.50-150500.8.46.1
    * bind-utils-9.16.50-150500.8.46.1
    * bind-9.16.50-150500.8.46.1
  * SUSE Linux Enterprise Server 15 SP5 LTSS (noarch)
    * bind-doc-9.16.50-150500.8.46.1
    * python3-bind-9.16.50-150500.8.46.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-19033.html
  * https://www.suse.com/security/cve/CVE-2026-19662.html
  * https://www.suse.com/security/cve/CVE-2026-19666.html
  * https://www.suse.com/security/cve/CVE-2026-19667.html
  * https://www.suse.com/security/cve/CVE-2026-19668.html
  * https://www.suse.com/security/cve/CVE-2026-19941.html
  * https://www.suse.com/security/cve/CVE-2026-75029.html
  * https://www.suse.com/security/cve/CVE-2026-77119.html
  * https://www.suse.com/security/cve/CVE-2026-78301.html
  * https://www.suse.com/security/cve/CVE-2026-80274.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1280430
  * https://bugzilla.suse.com/show_bug.cgi?id=1280432
  * https://bugzilla.suse.com/show_bug.cgi?id=1280433
  * https://bugzilla.suse.com/show_bug.cgi?id=1280435
  * https://bugzilla.suse.com/show_bug.cgi?id=1280436
  * https://bugzilla.suse.com/show_bug.cgi?id=1280437
  * https://bugzilla.suse.com/show_bug.cgi?id=1280438
  * https://bugzilla.suse.com/show_bug.cgi?id=1280440
  * https://bugzilla.suse.com/show_bug.cgi?id=1280442
  * https://bugzilla.suse.com/show_bug.cgi?id=1280443

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