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)
Core 6
Core References
Patch, Vendor Advisory
https://go.dev/cl/409874
Patch, Vendor Advisory
https://go.dev/cl/410714
Exploit, Issue Tracking, Patch, Vendor Advisory
https://go.dev/issue/53188
Patch, Vendor Advisory
https://go.googlesource.com/go/+/e5017a93fcde94f09836200bca55324af037ee5f
Release Notes, Vendor Advisory
https://groups.google.com/g/golang-announce/c/nqrv9fbR0zE
Vendor Advisory
https://pkg.go.dev/vuln/GO-2022-0525
Scores
CVSS v3
6.5
EPSS
0.0111
EPSS Percentile
61.6%
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