VDB
ALPINE-CVE-2021-24031
ALPINE-CVE-2021-24031
PUBLISHED
CVSS 5.5 MEDIUM
In the Zstandard command-line utility prior to v1.4.1, output files were created with default permissions. Correct file permissions (matching the input) would only be set at completion time. Output files could therefore be readable or writable to unintended parties.
Risk Scores
CVSS v3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.22 | zstd | 0, 1.1.1-r0, 1.1.4-r0 |
| Alpine:v3.15 | zstd | 0, 1.1.1-r0, 1.1.4-r0 |
| Alpine:v3.14 | zstd | 1.4.0-r0, 0, 1.1.1-r0 |
| Alpine:v3.19 | zstd | 1.4.0-r0, 1.3.8-r0, 1.3.7-r1 |
| Alpine:v3.17 | zstd | 0, 1.1.1-r0, 1.1.3-r0 |
| Alpine:v3.21 | zstd | 1.1.3-r0, 1.1.1-r0, 1.1.3-r0 |
| Alpine:v3.16 | zstd | 0, 1.1.1-r0, 1.1.3-r0 |
| Alpine:v3.20 | zstd | 1.4.0-r0, 0, 1.1.1-r0 |
| Alpine:v3.18 | zstd | 1.4.0-r0, 0, 1.1.4-r0 |
| Alpine:v3.23 | zstd | 1.4.0-r0, 1.3.8-r0, 1.3.7-r1 |
Timeline
- Mar 4, 2021 CVE Published
- Dec 3, 2025 CVE Updated
- Apr 30, 2026 Distribution Patch