Description
Handshake messages, such as KeyUpdate, are always considered as state-advancing, regardless of whether a handshake has been completed or not. As a result, a malicious client can keep sending KeyUpdate messages to force the server to keep performing key derivation operations indefinitely.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Go standard library crypto/tls
Default version status: unaffected
0 to < 1.25.13affected1.26.0-0 to < 1.26.6affected1.27.0-0 to < 1.27.0-rc.3affected