Is golang.org/x/net affected by CVE-2026-33814?

Go golang.org/x/net is affected in <0.53.0.

Is CVE-2026-33814 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.6%.

medium

CVE-2026-33814

Q: Is CVE-2026-33814 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.6%.

Go · golang.org/x/net • Go · stdlib

Summary

Infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE in net/http/internal/http2 in golang.org/x/net

Severity: medium
EPSS: 0.6% (p42)
Also known as: BIT-golang-2026-33814, GO-2026-4918#golang.org/x/net, GO-2026-4918#stdlib
Published: 2026-05-07

References

Related advisories

CVE-2026-39821 — medium · Go/golang.org/x/net
CVE-2026-27136 — medium · Go/golang.org/x/net
CVE-2026-42502 — medium · Go/golang.org/x/net
CVE-2026-25680 — medium · Go/golang.org/x/net
CVE-2026-42506 — medium · Go/golang.org/x/net
CVE-2026-25681 — medium · Go/golang.org/x/net
CVE-2026-27141 — medium · Go/golang.org/x/net
CVE-2025-58190 — medium · Go/golang.org/x/net

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.