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VULNERABILITIES

CVE-2026-78669 Details

Description

A malicious HTTP/2 peer can cause excessive CPU consumption in the client or server by opening a large number of streams and then sending many small SETTINGS frames containing SETTINGS_INITIAL_WINDOW_SIZE values.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: CISA-ADPCVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://go.dev/cl/847186 [email protected]
https://go.dev/cl/847308 [email protected]
https://go.dev/issue/81742 [email protected]
https://groups.google.com/g/golang-announce/c/U2fTuyDJznI [email protected]
https://groups.google.com/g/golang-announce/c/ZPwCyRUuGBs [email protected]

see all 6 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-405Asymmetric Resource Consumption (Amplification)CISA-ADP

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-78669
NVD Published Date:
Oct 8, 2026
NVD Last Modified:
Oct 9, 2026
Source:
[email protected]
CVE-2026-78669 Details - Not Deferred