SUSE-SU-2026:5136-1: moderate: Security update for krb5

[SLE-SECURITY-UPDATES]

# Security update for krb5

Announcement ID: SUSE-SU-2026:5136-1  
Release Date: 2026-11-09T12:57:38Z  
Rating: moderate  
References:

  * bsc#1284817

  
Cross-References:

  * CVE-2026-107778

  
CVSS scores:

  * CVE-2026-107778 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-107778 ( NVD ):  7.1
    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  * CVE-2026-107778 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

  
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 one vulnerability can now be installed.

## Description:

This update for krb5 fixes the following issue:

  * CVE-2026-107778: Denial of Service via crafted forwarded credentials
    (bsc#1284817).

## 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-2026-5136

## Package List:

  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    * krb5-devel-1.16.3-46.27.1
    * krb5-client-1.16.3-46.27.1
    * krb5-server-1.16.3-46.27.1
    * krb5-client-debuginfo-1.16.3-46.27.1
    * krb5-server-debuginfo-1.16.3-46.27.1
    * krb5-plugin-preauth-otp-1.16.3-46.27.1
    * krb5-plugin-kdb-ldap-1.16.3-46.27.1
    * krb5-plugin-kdb-ldap-debuginfo-1.16.3-46.27.1
    * krb5-1.16.3-46.27.1
    * krb5-debuginfo-32bit-1.16.3-46.27.1
    * krb5-plugin-preauth-otp-debuginfo-1.16.3-46.27.1
    * krb5-32bit-1.16.3-46.27.1
    * krb5-plugin-preauth-pkinit-debuginfo-1.16.3-46.27.1
    * krb5-doc-1.16.3-46.27.1
    * krb5-debuginfo-1.16.3-46.27.1
    * krb5-plugin-preauth-pkinit-1.16.3-46.27.1
    * krb5-debugsource-1.16.3-46.27.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-107778.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1284817

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.suse.com/pipermail/sle-security-updates/attachments/20261109/fb517148/attachment.htm>