CVE-2021-22959
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2021
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
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.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Node
- Vendor
- NodeJS
- Product
- Node
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 4.0 | affected | semver | 4.* | Unavailable | None listed |
| 5.0 | affected | semver | 5.* | Unavailable | None listed |
| 6.0 | affected | semver | 6.* | Unavailable | None listed |
| 7.0 | affected | semver | 7.* | Unavailable | None listed |
| 8.0 | affected | semver | 8.* | Unavailable | None listed |
| 9.0 | affected | semver | 9.* | Unavailable | None listed |
| 10.0 | affected | semver | 10.* | Unavailable | None listed |
| 11.0 | affected | semver | 11.* | Unavailable | None listed |
| 12.0 | affected | semver | 12.22.7 | Unavailable | None listed |
| 13.0 | affected | semver | 13.* | Unavailable | None listed |
| 14.0 | affected | semver | 14.18.1 | Unavailable | None listed |
| 15.0 | affected | semver | 15.* | Unavailable | None listed |
| 16.0 | affected | semver | 16.11.1 | Unavailable | None listed |