CVE-2026-33814

When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGS_MAX_FRAME_SIZE with a value of 0.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://go.dev/cl/761581	Patch
https://go.dev/cl/761640	Patch
https://go.dev/issue/78476	Issue Tracking Mailing List
https://groups.google.com/g/golang-announce/c/qcCIEXso47M	Release Notes
https://pkg.go.dev/vuln/GO-2026-4918	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:golang:go::::::::
	cpe:2.3:a:golang:go::::::::
	cpe:2.3:a:golang:http2::::::go::*

History

13 May 2026, 14:41

Type	Values Removed	Values Added
CPE		cpe:2.3:a:golang:http2::::::go::* cpe:2.3:a:golang:go::::::::
CWE		CWE-835
References	~~() https://go.dev/cl/761581 -~~	() https://go.dev/cl/761581 - Patch
References	~~() https://go.dev/cl/761640 -~~	() https://go.dev/cl/761640 - Patch
References	~~() https://go.dev/issue/78476 -~~	() https://go.dev/issue/78476 - Issue Tracking, Mailing List
References	~~() https://groups.google.com/g/golang-announce/c/qcCIEXso47M -~~	() https://groups.google.com/g/golang-announce/c/qcCIEXso47M - Release Notes
References	~~() https://pkg.go.dev/vuln/GO-2026-4918 -~~	() https://pkg.go.dev/vuln/GO-2026-4918 - Vendor Advisory
First Time		Golang Golang go Golang http2

08 May 2026, 19:16

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.5

07 May 2026, 20:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-07 20:16

Updated : 2026-05-13 14:41

NVD link : CVE-2026-33814

Mitre link : CVE-2026-33814

CVE.ORG link : CVE-2026-33814

JSON object : View

Products Affected

golang

go
http2

CWE

CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')

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