You are viewing this page in an unauthorized frame window.
This is a potential security issue, you are being redirected to
https://nvd.nist.gov
An official website of the United States government
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.
This CVE record has been updated after NVD enrichment efforts were completed. Enrichment data supplied by the NVD may require amendment due to these changes.
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.
Metrics
NVD enrichment efforts reference publicly available information to associate
vector strings. CVSS information contributed by other sources is also
displayed.
By selecting these links, you will be leaving NIST webspace.
We have provided these links to other web sites because they
may have information that would be of interest to you. No
inferences should be drawn on account of other sites being
referenced, or not, from this page. There may be other web
sites that are more appropriate for your purpose. NIST does
not necessarily endorse the views expressed, or concur with
the facts presented on these sites. Further, NIST does not
endorse any commercial products that may be mentioned on
these sites. Please address comments about this page to [email protected].
[{"vendor":"Red Hat","product":"Red Hat Hardened Images","defaultStatus":"affected","cpes":["cpe:/a:redhat:hummingbird:1"]},{"vendor":"Red Hat","product":"Red Hat OpenShift Service Mesh 3.0","defaultStatus":"affected","cpes":["cpe:/a:redhat:service_mesh:3.0::el9"]},{"vendor":"Red Hat","product":"Red Hat OpenShift Service Mesh 3.1","defaultStatus":"affected","cpes":["cpe:/a:redhat:service_mesh:3.1::el9"]},{"vendor":"Red Hat","product":"Red Hat OpenShift Service Mesh 3.2","defaultStatus":"affected","cpes":["cpe:/a:redhat:service_mesh:3.2::el9"]},{"vendor":"Red Hat","product":"Red Hat OpenShift Service Mesh 3.3","defaultStatus":"affected","cpes":["cpe:/a:redhat:service_mesh:3.3::el9"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 10","defaultStatus":"affected","cpes":["cpe:/o:redhat:enterprise_linux:10"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8","defaultStatus":"affected","cpes":["cpe:/o:redhat:enterprise_linux:8"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","defaultStatus":"affected","cpes":["cpe:/o:redhat:enterprise_linux:9"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux AI (RHEL AI) 3","defaultStatus":"affected","cpes":["cpe:/a:redhat:enterprise_linux_ai:3"]},{"vendor":"Red Hat","product":"Red Hat OpenShift Container Platform 4","defaultStatus":"affected","cpes":["cpe:/a:redhat:openshift:4"]},{"vendor":"Red Hat","product":"Red Hat OpenShift Virtualization 4","defaultStatus":"affected","cpes":["cpe:/a:redhat:container_native_virtualization:4"]},{"vendor":"Red Hat","product":"OpenShift Service Mesh 2","defaultStatus":"unaffected","cpes":["cpe:/a:redhat:service_mesh:2"]}]
[{"vendor":"Red Hat","product":"Cluster Observability Operator 1.5.0","defaultStatus":"affected","cpes":["cpe:/a:redhat:cluster_observability_operator:1.5::el9"]},{"vendor":"Red Hat","product":"Red Hat Hardened Images","defaultStatus":"affected","cpes":["cpe:/a:redhat:hummingbird:1"]},{"vendor":"Red Hat","product":"Red Hat OpenShift Service Mesh 3.0","defaultStatus":"affected","cpes":["cpe:/a:redhat:service_mesh:3.0::el9"]},{"vendor":"Red Hat","product":"Red Hat OpenShift Service Mesh 3.1","defaultStatus":"affected","cpes":["cpe:/a:redhat:service_mesh:3.1::el9"]},{"vendor":"Red Hat","product":"Red Hat OpenShift Service Mesh 3.2","defaultStatus":"affected","cpes":["cpe:/a:redhat:service_mesh:3.2::el9"]},{"vendor":"Red Hat","product":"Red Hat OpenShift Service Mesh 3.3","defaultStatus":"affected","cpes":["cpe:/a:redhat:service_mesh:3.3::el9"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 10","defaultStatus":"affected","cpes":["cpe:/o:redhat:enterprise_linux:10"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8","defaultStatus":"affected","cpes":["cpe:/o:redhat:enterprise_linux:8"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","defaultStatus":"affected","cpes":["cpe:/o:redhat:enterprise_linux:9"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux AI (RHEL AI) 3","defaultStatus":"affected","cpes":["cpe:/a:redhat:enterprise_linux_ai:3"]},{"vendor":"Red Hat","product":"Red Hat OpenShift Container Platform 4","defaultStatus":"affected","cpes":["cpe:/a:redhat:openshift:4"]},{"vendor":"Red Hat","product":"Red Hat OpenShift Virtualization 4","defaultStatus":"affected","cpes":["cpe:/a:redhat:container_native_virtualization:4"]},{"vendor":"Red Hat","product":"OpenShift Service Mesh 2","defaultStatus":"unaffected","cpes":["cpe:/a:redhat:service_mesh:2"]}]
[{"vendor":"Red Hat","product":"Red Hat Hardened Images","defaultStatus":"affected","cpes":["cpe:/a:redhat:hummingbird:1"]},{"vendor":"Red Hat","product":"Red Hat OpenShift Service Mesh 3.0","defaultStatus":"affected","cpes":["cpe:/a:redhat:service_mesh:3.0::el9"]},{"vendor":"Red Hat","product":"Red Hat OpenShift Service Mesh 3.1","defaultStatus":"affected","cpes":["cpe:/a:redhat:service_mesh:3.1::el9"]},{"vendor":"Red Hat","product":"Red Hat OpenShift Service Mesh 3.2","defaultStatus":"affected","cpes":["cpe:/a:redhat:service_mesh:3.2::el9"]},{"vendor":"Red Hat","product":"Red Hat OpenShift Service Mesh 3.3","defaultStatus":"affected","cpes":["cpe:/a:redhat:service_mesh:3.3::el9"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 10","defaultStatus":"affected","cpes":["cpe:/o:redhat:enterprise_linux:10"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8","defaultStatus":"affected","cpes":["cpe:/o:redhat:enterprise_linux:8"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","defaultStatus":"affected","cpes":["cpe:/o:redhat:enterprise_linux:9"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux AI (RHEL AI) 3","defaultStatus":"affected","cpes":["cpe:/a:redhat:enterprise_linux_ai:3"]},{"vendor":"Red Hat","product":"Red Hat OpenShift Container Platform 4","defaultStatus":"affected","cpes":["cpe:/a:redhat:openshift:4"]},{"vendor":"Red Hat","product":"Red Hat OpenShift Virtualization 4","defaultStatus":"affected","cpes":["cpe:/a:redhat:container_native_virtualization:4"]},{"vendor":"Red Hat","product":"OpenShift Service Mesh 2","defaultStatus":"unaffected","cpes":["cpe:/a:redhat:service_mesh:2"]}]
[{"vendor":"golang.org/x/net","product":"golang.org/x/net/http2","defaultStatus":"unaffected","collectionURL":"https://pkg.go.dev","packageName":"golang.org/x/net/http2","programRoutines":[{"name":"clientConnReadLoop.processSettingsNoWrite"},{"name":"Transport.NewClientConn"},{"name":"Transport.RoundTrip"},{"name":"Transport.RoundTripOpt"},{"name":"clientConnPool.GetClientConn"},{"name":"noDialClientConnPool.GetClientConn"},{"name":"noDialH2RoundTripper.NewClientConn"},{"name":"noDialH2RoundTripper.RoundTrip"},{"name":"unencryptedTransport.RoundTrip"}],"versions":[{"version":"0","lessThan":"0.53.0","versionType":"semver","status":"affected"}]},{"vendor":"Go standard library","product":"net/http","defaultStatus":"unaffected","collectionURL":"https://pkg.go.dev","packageName":"net/http","programRoutines":[{"name":"http2clientConnReadLoop.processSettingsNoWrite"},{"name":"Client.CloseIdleConnections"},{"name":"Client.Do"},{"name":"Client.Get"},{"name":"Client.Head"},{"name":"Client.Post"},{"name":"Client.PostForm"},{"name":"ClientConn.Close"},{"name":"ClientConn.RoundTrip"},{"name":"Get"},{"name":"Head"},{"name":"Post"},{"name":"PostForm"},{"name":"Transport.CloseIdleConnections"},{"name":"Transport.NewClientConn"},{"name":"Transport.RoundTrip"},{"name":"http1ClientConn.Close"},{"name":"http1ClientConn.RoundTrip"},{"name":"http2Transport.NewClientConn"},{"name":"http2Transport.RoundTrip"},{"name":"http2Transport.RoundTripOpt"},{"name":"http2clientConnPool.GetClientConn"},{"name":"http2noDialClientConnPool.GetClientConn"},{"name":"http2noDialH2RoundTripper.NewClientConn"},{"name":"http2noDialH2RoundTripper.RoundTrip"},{"name":"http2unencryptedTransport.RoundTrip"}],"versions":[{"version":"0","lessThan":"1.25.10","versionType":"semver","status":"affected"},{"version":"1.26.0-0","lessThan":"1.26.3","versionType":"semver","status":"affected"}]}]
Initial Analysis by NIST5/13/2026 10:41:59 AM
Action
Type
Old Value
New Value
Added
CVSS V3.1
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Added
CWE
CWE-835
Added
CPE Configuration
OR
*cpe:2.3:a:golang:go:*:*:*:*:*:*:*:* versions up to (excluding) 1.25.10
*cpe:2.3:a:golang:go:*:*:*:*:*:*:*:* versions from (including) 1.26.0 up to (excluding) 1.26.3
*cpe:2.3:a:golang:http2:*:*:*:*:*:go:*:* versions up to (excluding) 0.53.0
Added
Reference Type
Go Project: https://go.dev/cl/761581 Types: Patch
Added
Reference Type
Go Project: https://go.dev/cl/761640 Types: Patch
Added
Reference Type
Go Project: https://go.dev/issue/78476 Types: Issue Tracking, Mailing List
Added
Reference Type
Go Project: https://groups.google.com/g/golang-announce/c/qcCIEXso47M Types: Release Notes
Added
Reference Type
Go Project: https://pkg.go.dev/vuln/GO-2026-4918 Types: Vendor Advisory
CVE Modified by CISA-ADP5/08/2026 3:16:30 PM
Action
Type
Old Value
New Value
Added
CVSS V3.1
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
New CVE Received from Go Project5/07/2026 4:16:42 PM
Action
Type
Old Value
New Value
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.
) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.
