VDB
ALPINE-CVE-2020-27840
ALPINE-CVE-2020-27840
PUBLISHED
CVSS 7.5 HIGH
A flaw was found in samba. Spaces used in a string around a domain name (DN), while supposed to be ignored, can cause invalid DN strings with spaces to instead write a zero-byte into out-of-bounds memory, resulting in a crash. The highest threat from this vulnerability is to system availability.
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:v3.14 | samba | 3.6.1-r2, 3.6.1-r1, 3.5.9-r0 |
| Alpine:v3.22 | samba | 4.7.1-r0, 3.2.8-r0, 3.2.11-r1 |
| Alpine:v3.24 | samba | 0, 4.0.0, 4.0.0 |
| Alpine:v3.17 | samba | 3.3.4-r0, 3.3.5-r0, 3.3.5-r2 |
| Alpine:v3.13 | samba | 4.2.9-r1, 4.0.0, 4.0.0 |
| Alpine:v3.12 | samba | 4.0.0, 4.0.0, 4.0.0 |
| Alpine:v3.20 | samba | 4.6.6-r1, 4.0.0, 4.0.0 |
| Alpine:v3.16 | samba | 4.5.4-r0, 3.2.10-r0, 3.2.11-r0 |
| Alpine:v3.19 | samba | 4.10.4-r0, 4.0.0, 4.0.0 |
| Alpine:v3.23 | samba | 4.8.7-r0, 0, 3.2.10-r0 |
| Alpine:v3.21 | samba | 4.8.1-r0, 0, 3.2.10-r0 |
| Alpine:v3.18 | samba | 3.3.7-r2, 3.3.7-r3, 3.3.7-r4 |
| Alpine:v3.15 | samba | 3.5.9-r0, 4.8.8-r0, 0 |
Timeline
- May 12, 2021 CVE Published
- Aug 5, 2026 CVE Updated
- Aug 8, 2026 Distribution Patch