Vulnerability 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.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Golang | Go | < 1.25.10 |
| Golang | Http2 | < 0.53.0 |
Related Weaknesses (CWE)
References
- https://go.dev/cl/761581Patch
- https://go.dev/cl/761640Patch
- https://go.dev/issue/78476Issue TrackingMailing List
- https://groups.google.com/g/golang-announce/c/qcCIEXso47MRelease Notes
- https://pkg.go.dev/vuln/GO-2026-4918Vendor Advisory
FAQ
What is CVE-2026-33814?
CVE-2026-33814 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.
How severe is CVE-2026-33814?
CVE-2026-33814 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-33814?
Check the references section above for vendor advisories and patch information. Affected products include: Golang Go, Golang Http2.