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.
Affected products
golang: go; golang: http2
References10
- pkg.go.dev/vuln/GO-2026-4918 Vendor Advisory
- go.dev/cl/761581 Patch
- go.dev/cl/761640 Patch
- go.dev/issue/78476 Issue TrackingMailing List
- groups.google.com/g/golang-announce/c/qcCIEXso47M Release Notes
- access.redhat.com/errata/RHSA-2026:22112
- access.redhat.com/errata/RHSA-2026:22120
- access.redhat.com/errata/RHSA-2026:22121
- access.redhat.com/errata/RHSA-2026:23262
- access.redhat.com/errata/RHSA-2026:23264
Metrics
- CVSS 3.1
-
7.5
HIGH
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 1% percentile: 58 · as of 13 November 2026
- CWE
- CWE-835CWE-606
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