CVE-2026-33814

High

Open

TLP:CLEAR

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

NVD CVE.org

Ransomware

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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.

Details

CVSS Score: 7.5
EPSS Score ⓘ: 0.78%

52.7th percentile
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Confidence: 90%
Published: May 7, 2026
Last Modified: Aug 11, 2026

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