VDB
ALPINE-CVE-2021-44758
ALPINE-CVE-2021-44758
PUBLISHED
CVSS 7.5 HIGH
Heimdal before 7.7.1 allows attackers to cause a NULL pointer dereference in a SPNEGO acceptor via a preferred_mech_type of GSS_C_NO_OID and a nonzero initial_response value to send_accept.
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.23 | heimdal | 1.5.2-r6, 0, 7.7.0-r8 |
| Alpine:v3.16 | heimdal | 1.3.1-r1, 1.2.1-r4, 1.2.1-r0 |
| Alpine:v3.19 | heimdal | 0, 1.2.1-r1, 1.2.1-r2 |
| Alpine:v3.17 | heimdal | 1.2.1-r0, 1.2.1-r3, 1.2.1-r4 |
| Alpine:v3.24 | heimdal | 0 |
| Alpine:v3.15 | heimdal | 1.2.1-r2, 1.2.1-r0, 1.2.1-r3 |
| Alpine:v3.20 | heimdal | 7.7.0-r8, 7.7.0-r7, 7.7.0-r6 |
| Alpine:v3.14 | heimdal | 7.1.0-r0, 0, 7.7.0-r4 |
| Alpine:v3.18 | heimdal | 1.3.1-r0, 1.2.1-r4, 0 |
| Alpine:v3.22 | heimdal | 1.5.2-r4, 0, 1.2.1-r0 |
| Alpine:v3.21 | heimdal | 1.2.1-r1, 1.2.1-r2, 1.2.1-r3 |
Timeline
- Dec 26, 2022 CVE Published
- Apr 30, 2026 Distribution Patch
- Jun 15, 2026 CVE Updated