Description
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.
Published: 2026-05-07
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Wed, 13 May 2026 17:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-391
CWE-665

Wed, 13 May 2026 15:30:00 +0000

Type Values Removed Values Added
First Time appeared Golang go
Weaknesses CWE-835
CPEs cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*
cpe:2.3:a:golang:http2:*:*:*:*:*:go:*:*
Vendors & Products Golang go

Fri, 08 May 2026 22:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-391
CWE-665

Fri, 08 May 2026 21:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-648
CWE-999

Fri, 08 May 2026 18:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 07 May 2026 22:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-648
CWE-999

Thu, 07 May 2026 21:45:00 +0000

Type Values Removed Values Added
First Time appeared Go Standard Library
Go Standard Library net/http
Golang
Golang http2
Vendors & Products Go Standard Library
Go Standard Library net/http
Golang
Golang http2

Thu, 07 May 2026 20:00:00 +0000

Type Values Removed Values Added
Description 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.
Title Infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE in net/http/internal/http2 in golang.org/x/net
References

Subscriptions

Go Standard Library Net/http
Golang Go Http2
cve-icon MITRE

Status: PUBLISHED

Assigner: Go

Published:

Updated: 2026-05-08T18:01:02.989Z

Reserved: 2026-03-23T20:35:32.814Z

Link: CVE-2026-33814

cve-icon Vulnrichment

Updated: 2026-05-08T18:00:42.436Z

cve-icon NVD

Status : Analyzed

Published: 2026-05-07T20:16:42.880

Modified: 2026-05-13T14:41:59.520

Link: CVE-2026-33814

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-13T18:30:46Z

Weaknesses