VDB
ALPINE-CVE-2022-3437
ALPINE-CVE-2022-3437
PUBLISHED
CVSS 6.5 MEDIUM
A heap-based buffer overflow vulnerability was found in Samba within the GSSAPI unwrap_des() and unwrap_des3() routines of Heimdal. The DES and Triple-DES decryption routines in the Heimdal GSSAPI library allow a length-limited write buffer overflow on malloc() allocated memory when presented with a maliciously small packet. This flaw allows a remote user to send specially crafted malicious data to the application, possibly resulting in a denial of service (DoS) attack.
Risk Scores
CVSS 3.1
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:v3.20 | heimdal | *, 7.7.0-r5, 1.2.1-r2 |
| Alpine:v3.15 | heimdal | 1.4-r7, 1.2.1-r1, 1.2.1-r0 |
| Alpine:v3.19 | heimdal | *, 7.5.0-r3, 1.4-r3 |
| Alpine:v3.18 | samba | 3.6.13-r1, 3.6.15-r0, 3.6.16-r0 |
| Alpine:v3.14 | heimdal | 7.7.0-r4, 7.7.0-r3, 7.7.0-r2 |
| Alpine:v3.15 | samba | 4.5.1-r0, 4.5.3-r1, 4.5.4-r0 |
| Alpine:v3.21 | heimdal | 7.4.0-r1, 1.4-r11, 1.4-r2 |
| Alpine:v3.17 | heimdal | 1.3.3-r0, 1.4-r1, 1.4-r10 |
| Alpine:v3.17 | samba | 4.13.2-r0, 4.13.3-r0, 4.13.3-r2 |
| Alpine:v3.22 | heimdal | 0, 1.2.1-r0, 1.2.1-r1 |
| Alpine:v3.19 | samba | 3.2.8-r1, 3.3.4-r0, 3.3.5-r0 |
| Alpine:v3.20 | samba | 3.6.13-r1, 3.6.15-r0, 3.6.16-r0 |
| Alpine:v3.23 | samba | 4.7.3-r0, 0, 3.2.8-r0 |
| Alpine:v3.22 | samba | 4.10.2-r0, 4.8.8-r0, 4.8.7-r0 |
| Alpine:v3.23 | heimdal | 0, 1.2.1-r0, 1.2.1-r1 |
| Alpine:v3.16 | samba | 4.1.12-r0, 4.8.8-r0, 4.8.7-r0 |
| Alpine:v3.16 | heimdal | 7.4.0-r2, 7.4.0-r1, 7.4.0-r0 |
| Alpine:v3.21 | samba | 3.6.4-r1, 3.6.7-r0, 3.6.7-r1 |
| Alpine:v3.18 | heimdal | 7.7.0-r0, 7.5.0-r3, 7.5.0-r2 |
Timeline
- Jan 12, 2023 CVE Published
- Dec 3, 2025 CVE Updated
- Apr 30, 2026 Distribution Patch