SUSE-SU-2026:22450-1: important: Security update for krb5

[SLE-SECURITY-UPDATES]

# Security update for krb5

Announcement ID: SUSE-SU-2026:22450-1  
Release Date: 2026-06-30T09:20:36Z  
Rating: important  
References:

  * bsc#1268131

  
Cross-References:

  * CVE-2026-11850

  
CVSS scores:

  * CVE-2026-11850 ( SUSE ):  7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H
  * CVE-2026-11850 ( NVD ):  5.0 CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:H

  
Affected Products:

  * SUSE Linux Micro 6.1

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for krb5 fixes the following issue

  * CVE-2026-11850: integer underflow in berval2tl_data() leads to heap out-of-
    bounds read (bsc#1268131).

## 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 Micro 6.1  
    zypper in -t patch SUSE-SLE-Micro-6.1-602=1

## Package List:

  * SUSE Linux Micro 6.1 (aarch64 ppc64le s390x x86_64)
    * krb5-client-debuginfo-1.21.3-slfo.1.1_5.1
    * krb5-client-1.21.3-slfo.1.1_5.1
    * krb5-debugsource-1.21.3-slfo.1.1_5.1
    * krb5-1.21.3-slfo.1.1_5.1
    * krb5-debuginfo-1.21.3-slfo.1.1_5.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-11850.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1268131

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