# Security update for krb5

Announcement ID: SUSE-SU-2025:0304-1  
Release Date: 2025-01-30T14:52:22Z  
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 15.5
  * SUSE Linux Enterprise Micro 5.5

  
  
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 15.5  
    zypper in -t patch SUSE-2025-304=1

  * SUSE Linux Enterprise Micro 5.5  
    zypper in -t patch SUSE-SLE-Micro-5.5-2025-304=1

## Package List:

  * openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64 i586)
    * krb5-debuginfo-1.20.1-150500.3.12.1
    * krb5-plugin-preauth-pkinit-debuginfo-1.20.1-150500.3.12.1
    * krb5-plugin-preauth-spake-debuginfo-1.20.1-150500.3.12.1
    * krb5-plugin-kdb-ldap-debuginfo-1.20.1-150500.3.12.1
    * krb5-plugin-preauth-spake-1.20.1-150500.3.12.1
    * krb5-mini-devel-1.20.1-150500.3.12.1
    * krb5-client-debuginfo-1.20.1-150500.3.12.1
    * krb5-debugsource-1.20.1-150500.3.12.1
    * krb5-devel-1.20.1-150500.3.12.1
    * krb5-plugin-kdb-ldap-1.20.1-150500.3.12.1
    * krb5-server-1.20.1-150500.3.12.1
    * krb5-mini-debuginfo-1.20.1-150500.3.12.1
    * krb5-plugin-preauth-otp-1.20.1-150500.3.12.1
    * krb5-plugin-preauth-otp-debuginfo-1.20.1-150500.3.12.1
    * krb5-1.20.1-150500.3.12.1
    * krb5-mini-1.20.1-150500.3.12.1
    * krb5-mini-debugsource-1.20.1-150500.3.12.1
    * krb5-client-1.20.1-150500.3.12.1
    * krb5-plugin-preauth-pkinit-1.20.1-150500.3.12.1
    * krb5-server-debuginfo-1.20.1-150500.3.12.1
  * openSUSE Leap 15.5 (x86_64)
    * krb5-32bit-1.20.1-150500.3.12.1
    * krb5-32bit-debuginfo-1.20.1-150500.3.12.1
    * krb5-devel-32bit-1.20.1-150500.3.12.1
  * openSUSE Leap 15.5 (aarch64_ilp32)
    * krb5-devel-64bit-1.20.1-150500.3.12.1
    * krb5-64bit-1.20.1-150500.3.12.1
    * krb5-64bit-debuginfo-1.20.1-150500.3.12.1
  * SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)
    * krb5-debugsource-1.20.1-150500.3.12.1
    * krb5-debuginfo-1.20.1-150500.3.12.1
    * krb5-1.20.1-150500.3.12.1

## References:

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