VDB
ALPINE-CVE-2016-3120
ALPINE-CVE-2016-3120
PUBLISHED
CVSS 6.5 MEDIUM
The validate_as_request function in kdc_util.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.13.6 and 1.4.x before 1.14.3, when restrict_anonymous_to_tgt is enabled, uses an incorrect client data structure, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via an S4U2Self request.
Risk Scores
CVSS v3.0
6.5
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.2 | krb5 | 1.11-r0, 1.13.2-r2, 1.13.2-r1 |
| Alpine:v3.4 | krb5 | 1.14-r0, 0, 1.11-r1 |
| Alpine:v3.3 | krb5 | 0, 1.13.2-r2, 1.14-r3 |
Timeline
- Aug 1, 2016 CVE Published
- Nov 19, 2025 CVE Updated
- Apr 30, 2026 Distribution Patch