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

Published Nov 9, 2026
·
Updated

This update for krb5 fixes the following issue:

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

Other sources

This update for krb5 fixes the following issue: CVE-2026-107778: Denial of Service via crafted forwarded credentials (bsc#1284817).

— SUSE

Affected Software

19 affected componentsFixes available
suse/krb5<1.16.3-46.27.1
1.16.3-46.27.1
All of the following
SUSE SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
Any of the following
suse/krb5-devel<1.16.3-46.27.1
1.16.3-46.27.1
suse/krb5-client<1.16.3-46.27.1
1.16.3-46.27.1
suse/krb5-server<1.16.3-46.27.1
1.16.3-46.27.1
suse/krb5-client-debuginfo<1.16.3-46.27.1
1.16.3-46.27.1
suse/krb5-server-debuginfo<1.16.3-46.27.1
1.16.3-46.27.1
suse/krb5-plugin-preauth-otp<1.16.3-46.27.1
1.16.3-46.27.1
suse/krb5-plugin-kdb-ldap<1.16.3-46.27.1
1.16.3-46.27.1
suse/krb5-plugin-kdb-ldap-debuginfo<1.16.3-46.27.1
1.16.3-46.27.1
suse/krb5<1.16.3-46.27.1
1.16.3-46.27.1
suse/krb5-debuginfo<32bit-1.16.3-46.27.1
32bit-1.16.3-46.27.1
suse/krb5-plugin-preauth-otp-debuginfo<1.16.3-46.27.1
1.16.3-46.27.1
suse/krb5<32bit-1.16.3-46.27.1
32bit-1.16.3-46.27.1
suse/krb5-plugin-preauth-pkinit-debuginfo<1.16.3-46.27.1
1.16.3-46.27.1
suse/krb5-doc<1.16.3-46.27.1
1.16.3-46.27.1
suse/krb5-debuginfo<1.16.3-46.27.1
1.16.3-46.27.1
suse/krb5-plugin-preauth-pkinit<1.16.3-46.27.1
1.16.3-46.27.1
suse/krb5-debugsource<1.16.3-46.27.1
1.16.3-46.27.1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade suse/krb5 to a version that resolves this vulnerability.

    Fixed in 1.16.3-46.27.1
  2. Upgrade

    Upgrade suse/krb5-devel to a version that resolves this vulnerability.

    Fixed in 1.16.3-46.27.1
  3. Upgrade

    Upgrade suse/krb5-client to a version that resolves this vulnerability.

    Fixed in 1.16.3-46.27.1
  4. Upgrade

    Upgrade suse/krb5-server to a version that resolves this vulnerability.

    Fixed in 1.16.3-46.27.1
  5. Upgrade

    Upgrade suse/krb5-client-debuginfo to a version that resolves this vulnerability.

    Fixed in 1.16.3-46.27.1
  6. Upgrade

    Upgrade suse/krb5-server-debuginfo to a version that resolves this vulnerability.

    Fixed in 1.16.3-46.27.1
  7. Upgrade

    Upgrade suse/krb5-plugin-preauth-otp to a version that resolves this vulnerability.

    Fixed in 1.16.3-46.27.1
  8. Upgrade

    Upgrade suse/krb5-plugin-kdb-ldap to a version that resolves this vulnerability.

    Fixed in 1.16.3-46.27.1
  9. Upgrade

    Upgrade suse/krb5-plugin-kdb-ldap-debuginfo to a version that resolves this vulnerability.

    Fixed in 1.16.3-46.27.1
  10. Upgrade

    Upgrade suse/krb5-debuginfo to a version that resolves this vulnerability.

    Fixed in 32bit-1.16.3-46.27.1
  11. Upgrade

    Upgrade suse/krb5-plugin-preauth-otp-debuginfo to a version that resolves this vulnerability.

    Fixed in 1.16.3-46.27.1
  12. Upgrade

    Upgrade suse/krb5 to a version that resolves this vulnerability.

    Fixed in 32bit-1.16.3-46.27.1
  13. Upgrade

    Upgrade suse/krb5-plugin-preauth-pkinit-debuginfo to a version that resolves this vulnerability.

    Fixed in 1.16.3-46.27.1
  14. Upgrade

    Upgrade suse/krb5-doc to a version that resolves this vulnerability.

    Fixed in 1.16.3-46.27.1
  15. Upgrade

    Upgrade suse/krb5-debuginfo to a version that resolves this vulnerability.

    Fixed in 1.16.3-46.27.1
  16. Upgrade

    Upgrade suse/krb5-plugin-preauth-pkinit to a version that resolves this vulnerability.

    Fixed in 1.16.3-46.27.1
  17. Upgrade

    Upgrade suse/krb5-debugsource to a version that resolves this vulnerability.

    Fixed in 1.16.3-46.27.1
  18. Upgrade

    Upgrade krb5 to a version that resolves this vulnerability.

    Patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-5136

Event History

Nov 9, 2026
Advisory Published
via OSV·12:57 PM
Data Sourced
via OSV·12:57 PM
DescriptionAffected Software
Data Sourced
via SUSE·12:57 PM
RemedyDescriptionSeverityAffected Software

Child vulnerabilities

Contains the following vulnerabilities.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203