# CVE-2026-33814

## Summary

- **CVE ID:** CVE-2026-33814
- **Severity:** HIGH
- **CVSS Score:** 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
- **CWE:** N/A
- **Published:** May 7, 2026
- **Last Modified:** Sep 16, 2026

## 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.org/x/net — golang.org/x/net/http2 (0)
- Go standard library — net/http (0)
- Go standard library — net/http (1.26.0-0)

## References

- [CNA](https://go.dev/cl/761581)
- [CNA](https://go.dev/cl/761640)
- [CNA](https://go.dev/issue/78476)
- [CNA](https://groups.google.com/g/golang-announce/c/qcCIEXso47M)
- [CNA](https://pkg.go.dev/vuln/GO-2026-4918)
- [redhat-SADP](https://access.redhat.com/security/cve/CVE-2026-33814)
- [redhat-SADP](https://bugzilla.redhat.com/show_bug.cgi?id=2467815)
- [redhat-SADP](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-33814.json)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:23262)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:23264)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:33120)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:33123)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:33142)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:33150)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:34342)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:37387)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:42644)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:43692)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:50205)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:54287)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:54284)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:54286)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:54285)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:54274)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:54283)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:57191)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:57194)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:57845)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:49702)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:22120)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:22112)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:57649)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:49712)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:22121)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:57545)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:57365)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:57367)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:56912)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:56854)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:57408)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60520)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:61253)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60668)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60477)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60478)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60441)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60442)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60454)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60446)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60447)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:59833)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60025)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60023)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:63091)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:63636)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:63637)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:63639)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:65126)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:63047)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:63104)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:63103)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:63048)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:63046)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:63096)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:63097)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:62550)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:62551)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:63050)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:62410)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:66350)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.78%
- **EPSS Percentile:** 54.2

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._