SUSE-SU-2025:0343-1: moderate: Security update for krb5

[SLE-SECURITY-UPDATES]

# Security update for krb5

Announcement ID: SUSE-SU-2025:0343-1  
Release Date: 2025-02-03T17:03:59Z  
Rating: moderate  
References:

  * bsc#1236619

  
Cross-References:

  * CVE-2025-24528

  
CVSS scores:

  * CVE-2025-24528 ( SUSE ):  6.0
    CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-24528 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * openSUSE Leap 15.4
  * SUSE Linux Enterprise Micro 5.3
  * SUSE Linux Enterprise Micro 5.4
  * SUSE Linux Enterprise Micro for Rancher 5.3
  * SUSE Linux Enterprise Micro for Rancher 5.4

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for krb5 fixes the following issues:

  * CVE-2025-24528: Fixed out-of-bounds write caused by overflow when
    calculating ulog block size can lead to process crash (bsc#1236619).

## 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:

  * openSUSE Leap 15.4  
    zypper in -t patch SUSE-2025-343=1

  * SUSE Linux Enterprise Micro for Rancher 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2025-343=1

  * SUSE Linux Enterprise Micro 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2025-343=1

  * SUSE Linux Enterprise Micro for Rancher 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2025-343=1

  * SUSE Linux Enterprise Micro 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2025-343=1

## Package List:

  * openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586)
    * krb5-client-1.19.2-150400.3.15.1
    * krb5-debugsource-1.19.2-150400.3.15.1
    * krb5-debuginfo-1.19.2-150400.3.15.1
    * krb5-server-debuginfo-1.19.2-150400.3.15.1
    * krb5-plugin-preauth-otp-debuginfo-1.19.2-150400.3.15.1
    * krb5-1.19.2-150400.3.15.1
    * krb5-server-1.19.2-150400.3.15.1
    * krb5-mini-debugsource-1.19.2-150400.3.15.1
    * krb5-plugin-kdb-ldap-1.19.2-150400.3.15.1
    * krb5-plugin-preauth-pkinit-1.19.2-150400.3.15.1
    * krb5-plugin-kdb-ldap-debuginfo-1.19.2-150400.3.15.1
    * krb5-plugin-preauth-otp-1.19.2-150400.3.15.1
    * krb5-plugin-preauth-pkinit-debuginfo-1.19.2-150400.3.15.1
    * krb5-plugin-preauth-spake-debuginfo-1.19.2-150400.3.15.1
    * krb5-mini-devel-1.19.2-150400.3.15.1
    * krb5-client-debuginfo-1.19.2-150400.3.15.1
    * krb5-mini-1.19.2-150400.3.15.1
    * krb5-mini-debuginfo-1.19.2-150400.3.15.1
    * krb5-devel-1.19.2-150400.3.15.1
    * krb5-plugin-preauth-spake-1.19.2-150400.3.15.1
  * openSUSE Leap 15.4 (x86_64)
    * krb5-32bit-1.19.2-150400.3.15.1
    * krb5-32bit-debuginfo-1.19.2-150400.3.15.1
    * krb5-devel-32bit-1.19.2-150400.3.15.1
  * openSUSE Leap 15.4 (aarch64_ilp32)
    * krb5-64bit-debuginfo-1.19.2-150400.3.15.1
    * krb5-devel-64bit-1.19.2-150400.3.15.1
    * krb5-64bit-1.19.2-150400.3.15.1
  * SUSE Linux Enterprise Micro for Rancher 5.3 (aarch64 s390x x86_64)
    * krb5-1.19.2-150400.3.15.1
    * krb5-debugsource-1.19.2-150400.3.15.1
    * krb5-debuginfo-1.19.2-150400.3.15.1
  * SUSE Linux Enterprise Micro 5.3 (aarch64 s390x x86_64)
    * krb5-1.19.2-150400.3.15.1
    * krb5-debugsource-1.19.2-150400.3.15.1
    * krb5-debuginfo-1.19.2-150400.3.15.1
  * SUSE Linux Enterprise Micro for Rancher 5.4 (aarch64 s390x x86_64)
    * krb5-1.19.2-150400.3.15.1
    * krb5-debugsource-1.19.2-150400.3.15.1
    * krb5-debuginfo-1.19.2-150400.3.15.1
  * SUSE Linux Enterprise Micro 5.4 (aarch64 s390x x86_64)
    * krb5-1.19.2-150400.3.15.1
    * krb5-debugsource-1.19.2-150400.3.15.1
    * krb5-debuginfo-1.19.2-150400.3.15.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-24528.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1236619

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