PT-2026-108314 · Go+2 · Golang.Org/X/Net+4

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CVE-2026-78669

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Published

2026-10-08

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Updated

2026-10-08

None

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Name of the Vulnerable Software and Affected Versions The product name cannot be determined (affected versions not specified)
Description A malicious HTTP/2 peer can cause excessive CPU consumption in the client or server. This occurs when the peer opens a large number of streams and subsequently sends numerous small SETTINGS frames containing SETTINGS INITIAL WINDOW SIZE values.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.
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Related Identifiers

CVE-2026-78669
GO-2026-6611

Affected Products

Golang.Org/X/Net
Golang.Org/X/Net/Http2
Net/Http
Net/Http/Internal/Http2
Stdlib