SUSE alert openSUSE-SU-2026:21238-1 (krb5)

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null@suse.de
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security-announce@lists.opensuse.org
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openSUSE-SU-2026:21238-1: important: Security update for krb5
Date:
             
 
Wed, 08 Jul 2026 15:09:20 +0200
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<20260708130920.2F050FCD8@maintenance.suse.de>
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Article
openSUSE security update: security update for krb5
-------------------------------------------------------------

Announcement ID: openSUSE-SU-2026:21238-1
Rating: important
References:

  * bsc#1268131



Cross-References:

  * CVE-2026-11850



CVSS scores:

  * CVE-2026-11850 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:H

Affected Products:

         openSUSE Leap 16.0

-------------------------------------------------------------

An update that solves one vulnerability and has one bug fix 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 openSUSE security 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 16.0

   zypper in -t patch openSUSE-Leap-16.0-1159=1

Package List:

- openSUSE Leap 16.0:

  krb5-1.21.3-160000.4.1
  krb5-client-1.21.3-160000.4.1
  krb5-devel-1.21.3-160000.4.1
  krb5-plugin-kdb-ldap-1.21.3-160000.4.1
  krb5-plugin-preauth-otp-1.21.3-160000.4.1
  krb5-plugin-preauth-pkinit-1.21.3-160000.4.1
  krb5-plugin-preauth-spake-1.21.3-160000.4.1
  krb5-server-1.21.3-160000.4.1

References:

  * https://www.suse.com/security/cve/CVE-2026-11850.html