SUSE-SU-2026:5161-1: moderate: Security update for bind

[SLE-SECURITY-UPDATES]

# Security update for bind

Announcement ID: SUSE-SU-2026:5161-1  
Release Date: 2026-11-10T09:41:26Z  
Rating: moderate  
References:

  * bsc#1280436
  * bsc#1280440

  
Cross-References:

  * CVE-2026-19668
  * CVE-2026-77119

  
CVSS scores:

  * 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-2026-77119 ( 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

  
Affected Products:

  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5

  
  
An update that solves two vulnerabilities can now be installed.

## Description:

This update for bind fixes the following issues:

  * CVE-2026-19668: Resource Exhaustion via Excessive DNSSEC Cryptographic
    Material Matching (bsc#1280436).
  * CVE-2026-77119: NSEC3 insecure-referral proof can use unrelated cached NSEC3
    RRsets (bsc#1280440).

## 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 Extended Security  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-5161

## Package List:

  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    * bind-utils-debuginfo-9.11.22-3.80.1
    * libisccfg163-9.11.22-3.80.1
    * bind-debugsource-9.11.22-3.80.1
    * libbind9-161-debuginfo-9.11.22-3.80.1
    * libisccfg163-debuginfo-9.11.22-3.80.1
    * libdns1110-9.11.22-3.80.1
    * bind-utils-9.11.22-3.80.1
    * bind-9.11.22-3.80.1
    * libisc1107-9.11.22-3.80.1
    * libisc1107-32bit-9.11.22-3.80.1
    * bind-devel-9.11.22-3.80.1
    * libisc1107-debuginfo-32bit-9.11.22-3.80.1
    * bind-debuginfo-9.11.22-3.80.1
    * libirs161-9.11.22-3.80.1
    * liblwres161-9.11.22-3.80.1
    * liblwres161-debuginfo-9.11.22-3.80.1
    * libdns1110-debuginfo-9.11.22-3.80.1
    * libisccc161-9.11.22-3.80.1
    * libirs161-debuginfo-9.11.22-3.80.1
    * libisccc161-debuginfo-9.11.22-3.80.1
    * bind-chrootenv-9.11.22-3.80.1
    * libisc1107-debuginfo-9.11.22-3.80.1
    * libbind9-161-9.11.22-3.80.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (noarch)
    * bind-doc-9.11.22-3.80.1
    * python-bind-9.11.22-3.80.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-19668.html
  * https://www.suse.com/security/cve/CVE-2026-77119.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1280436
  * https://bugzilla.suse.com/show_bug.cgi?id=1280440

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