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.
References (6)
Scores
CVSS v3
6.5
EPSS
0.0005
EPSS Percentile
16.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-444
Status
published
Products (1)
golang/go
< 1.17.12
Published
Aug 10, 2022
Tracked Since
Feb 18, 2026