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.
Exploits (1)
References (6)
Scores
CVSS v3
6.5
EPSS
0.0034
EPSS Percentile
57.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-436
Status
published
Products (1)
golang/go
< 1.19.11
Published
Jul 11, 2023
Tracked Since
Feb 18, 2026