| Package | Affected versions | Patched versions |
|---|---|---|
| stdlib | ≥ 1.26.0-0, < 1.26.6≥ 1.27.0-0, < 1.27.0-rc.3< 1.25.13 | 1.26.61.27.0-rc.31.25.13 |
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.
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