CVE-2022-1705

Improper sanitization of Transfer-Encoding headers in net/http

MEDIUM

6.5

CVSS Score

Published: August 9, 2022 at 08:16 PM UTC

Updated: June 17, 2026 at 04:22 AM UTC

2 products affected across 2 vendorsGo.NET

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Severity

MEDIUM6.5

Exploit prediction

EPSS 2%

SSVC

No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Go · Golang

95%

v < 1.17.121.18.0 ≤ v < 1.18.4

Affected range stops below 1.17.12, so it looks safe — our inference, not a vendor statement

Affected range stops below 1.18.4, so it looks safe — our inference, not a vendor statement

.NET · Go Standard Librarygo

60%

v < 1.17.121.18.0-0 ≤ v < 1.18.41.18.0-0

Affected range stops below 1.17.12, so it looks safe — our inference, not a vendor statement

Affected range stops below 1.18.4, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (6)

PatchVendor Advisory

Source: [email protected]

https://go.dev/cl/409874

PatchVendor Advisory

Source: [email protected]

https://go.dev/cl/410714

ExploitIssue TrackingPatchVendor Advisory

Source: [email protected]

https://go.dev/issue/53188

PatchVendor Advisory

Source: [email protected]

https://go.googlesource.com/go/+/e5017a93fcde94f09836200bca55324af037ee5f

Release NotesVendor Advisory

Source: [email protected]

https://groups.google.com/g/golang-announce/c/nqrv9fbR0zE

Vendor Advisory

Source: [email protected]

https://pkg.go.dev/vuln/GO-2022-0525

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMCISA-ADP

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: LOW
Integrity: LOW
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-444

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