VULNERABILITY INTELLIGENCE

CVE-2023-29406

CVSS score6.5 MEDIUM
EPSS probability1.45%
CISA KEVNot currently listed
Published2023-07-11
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Description

The HTTP/1 client does not fully validate the contents of the Host header. A maliciously crafted Host header can inject additional headers or entire requests. With fix, the HTTP/1 client now refuses to send requests containing an invalid Request.Host or Request.URL.Host value.

Weakness classification

  • nvd@nist.gov: CWE-436

Primary references