This page tracks the Ubuntu fix status. The vulnerability itself is described on the main CVE page.
View CVE-2026-112317 →
Unrated
krb5_ktkdb_get_entry() in lib/kdb/keytab.c in MIT Kerberos 5 (aka krb5) 1.2.8 and later does not free decrypted key material when a post-decryption ch...
UBUNTU-CVE-2026-112317
First seen on SecPulse
Affected packages
| Package | Affected → Fixed | |
|---|---|---|
| Ubuntu:Pro:14.04:LTSkrb5 |
All versions→ Not listed |
Not listed |
| Ubuntu:Pro:16.04:LTSkrb5 |
All versions→ Not listed |
Not listed |
| Ubuntu:Pro:18.04:LTSkrb5 |
All versions→ Not listed |
Not listed |
| Ubuntu:20.04:LTSkrb5 |
All versions→ Not listed |
Not listed |
| Ubuntu:22.04:LTSkrb5 |
All versions→ Not listed |
Not listed |
| Ubuntu:24.04:LTSkrb5 |
All versions→ Not listed |
Not listed |
| Ubuntu:26.10krb5 |
All versions→ Not listed |
Not listed |
| Ubuntu:26.04:LTSkrb5 |
All versions→ Not listed |
Not listed |
This record does not list fixed versions. Check the article or the vendor advisory in the references for whether and where it is fixed.
Original description The description as published by the source.
krb5_ktkdb_get_entry() in lib/kdb/keytab.c in MIT Kerberos 5 (aka krb5) 1.2.8 and later does not free decrypted key material when a post-decryption check fails, which allows remote attackers to cause a denial of service (memory leak in the KDC or kadmind) via requests that repeatedly trigger key decryption failures.
Source: OSV.dev (Open Source Vulnerabilities) OSV
References
- report ubuntu.com
- report cve.org
- report access.redhat.com/downloads/content/package-browser