VDB
ALPINE-CVE-2021-37750
ALPINE-CVE-2021-37750
PUBLISHED
CVSS 6.5 MEDIUM
The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.5 and 1.19.x before 1.19.3 has a NULL pointer dereference in kdc/do_tgs_req.c via a FAST inner body that lacks a server field.
Risk Scores
CVSS v3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.16 | krb5 | 1.19.2-r4, 0, 1.11-r0 |
| Alpine:v3.21 | krb5 | 1.19.2-r4, 1.19.2-r3, 1.19.2-r2 |
| Alpine:v3.20 | krb5 | 1.11-r1, 1.19.2-r4, 1.19.2-r3 |
| Alpine:v3.13 | krb5 | 1.14.3-r1, 1.14.3-r0, 1.14-r2 |
| Alpine:v3.17 | krb5 | 1.13-r1, 1.17-r0, 1.15.5-r0 |
| Alpine:v3.14 | krb5 | 1.18.2-r0, 1.18.3-r0, 1.18.3-r1 |
| Alpine:v3.18 | krb5 | 0, 1.11-r0, 1.11-r1 |
| Alpine:v3.22 | krb5 | 1.11-r1, 1.11.2-r0, 1.11.2-r1 |
| Alpine:v3.15 | krb5 | 1.14-r2, 1.19.2-r4, 1.19.2-r3 |
| Alpine:v3.23 | krb5 | 1.13.2-r0, 1.13.2-r2, 1.14-r1 |
| Alpine:v3.19 | krb5 | 1.11-r0, 1.15.5-r0, 1.17.1-r0 |
| Alpine:v3.12 | krb5 | 1.11.2-r1, 0, 1.11-r0 |
Timeline
- Aug 23, 2021 CVE Published
- Dec 3, 2025 CVE Updated
- Apr 30, 2026 Distribution Patch