CVE-2022-1705

MEDIUM6.5EPSS 0.06%

Improper sanitization of Transfer-Encoding headers in net/http

Published: 7/25/2022Modified: 4/28/2026

Description

Acceptance of some invalid Transfer-Encoding headers in the HTTP/1 client in net/http before Go 1.17.12 and Go 1.18.4 allows HTTP request smuggling if combined with an intermediate server that also improperly fails to reject the header as invalid.

Affected packages (4)

CVSS scores

SourceVersionSeverityVector
osvCVSS 3.1MEDIUM6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

References (8)

CVE-2022-1705 — Improper sanitization of Transfer-Encoding headers in net/http · VulnScope