Vulnerability/
https://seclists.org/oss-sec/2026/q4/618

https://seclists.org/oss-sec/2026/q4/618: krb5-1.22.3 is released, with fixes for 21 CVEs

Q: What should organizations running unpatched MIT Kerberos 5 releases do?

Upgrade to MIT Kerberos 5 version 1.22.3. The release announcement directs users to the MITKRB5-SA-2026-001 advisory for the risks of continuing to use unpatched releases.

Q: Does this release address more than one security issue?

Yes. The release is described as fixing 21 CVEs, including a logic error in PAC server checksum checking and validation of unkeyed checksums.

Published Nov 9, 2026

Updated

Affected Software

1 affected component

MIT Kerberos 5<1.22.3

Frequently Asked Questions

What should organizations running unpatched MIT Kerberos 5 releases do?

Upgrade to MIT Kerberos 5 version 1.22.3. The release announcement directs users to the MITKRB5-SA-2026-001 advisory for the risks of continuing to use unpatched releases.

Does this release address more than one security issue?

Yes. The release is described as fixing 21 CVEs, including a logic error in PAC server checksum checking and validation of unkeyed checksums.

Timeline

PublishedNov 9, 2026

Updated

Tags

collector/oss-secsource/oss-secagent/typeagent/last-modified-dateagent/sourceagent/titlecollector/oss-sec-postanchor-related/CVE-2026-111423anchor-related/CVE-2026-71199anchor-related/CVE-2026-107884anchor-related/CVE-2026-118380anchor-related/CVE-2026-112322anchor-related/CVE-2026-112323anchor-related/CVE-2026-40355anchor-related/CVE-2026-40356anchor-related/CVE-2026-71200anchor-related/CVE-2026-107364anchor-related/CVE-2026-107708anchor-related/CVE-2026-107778anchor-related/CVE-2026-112314anchor-related/CVE-2026-112315anchor-related/CVE-2026-112316anchor-related/CVE-2026-112317anchor-related/CVE-2026-112318anchor-related/CVE-2026-112319anchor-related/CVE-2026-112320anchor-related/CVE-2026-112321anchor-related/CVE-2026-119079agent/authoragent/referencesagent/first-publish-dateagent/bodyagent/guess-aiagent/remedyagent/tagsagent/softwarecombinevendor/mitcanonical/mit kerberos 5

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.