vulnerability
Alpine Linux: CVE-2021-22959: HTTP Request/Response Smuggling
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 6 | (AV:N/AC:L/Au:N/C:P/I:P/A:N) | Nov 15, 2021 | Mar 26, 2024 | Dec 5, 2025 |
Severity
6
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:N)
Published
Nov 15, 2021
Added
Mar 26, 2024
Modified
Dec 5, 2025
Description
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.
Solutions
alpine-linux-upgrade-nodejsalpine-linux-upgrade-nodejs-current
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.