VDB
ALPINE-CVE-2021-22959
ALPINE-CVE-2021-22959
PUBLISHED
CVSS 6.5 MEDIUM
The parser in accepts requests with a space (SP) right after the header name before the colon. This can lead to HTTP Request Smuggling (HRS) in llhttp < v2.1.4 and < v6.0.6.
Risk Scores
CVSS v3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.14 | nodejs | 14.16.1-r0, 12.17.0-r0, 6.10.0-r0 |
| Alpine:v3.18 | nodejs | 10.16.3-r0, 12.13.0-r0, 12.13.0-r1 |
| Alpine:v3.19 | nodejs | 0, 12.16.3-r0, 12.15.0-r2 |
| Alpine:v3.23 | nodejs | 0, 0, 0 |
| Alpine:v3.16 | nodejs | 6.11.0-r0, 10.13.0-r0, 10.14.0-r0 |
| Alpine:v3.17 | nodejs | 14.16.1-r0, 8.9.4-r0, 8.9.3-r1 |
| Alpine:v3.13 | nodejs | 4.4.4-r0, 8.9.4-r0, 8.9.3-r1 |
| Alpine:v3.15 | nodejs | 8.9.4-r0, 10.13.0-r0, 10.14.1-r0 |
| Alpine:v3.20 | nodejs | 6.11.2-r0, 6.11.4-r0, 6.11.5-r0 |
| Alpine:v3.21 | nodejs | 0, 0, 0 |
| Alpine:v3.22 | nodejs | 0, 0, 0 |
| Alpine:v3.12 | nodejs | 4.4.3-r0, 4.4.4-r0, 4.4.5-r0 |
Timeline
- Nov 15, 2021 CVE Published
- Dec 3, 2025 CVE Updated
- Apr 30, 2026 Distribution Patch