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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: hackerone

Published: 2021-11-15T14:45:16

Updated: 2024-08-03T18:58:26.156Z

Reserved: 2021-01-06T00:00:00

Link: CVE-2021-22959

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2021-11-15T15:15:06.747

Modified: 2022-12-09T16:14:48.867

Link: CVE-2021-22959

cve-icon Redhat

Severity : Low

Publid Date: 2021-10-12T00:00:00Z

Links: CVE-2021-22959 - Bugzilla