Em resumo
- CVE-2026-78662 é uma vulnerabilidade ALTO (CVSS 7.5) que afeta golang.org/x/crypto, crypto (golang).
- Chance de exploração nos próximos 30 dias (EPSS): 0.43%, maior que 37.4% das vulnerabilidades.
- Correção: atualize para 0.56.0 ou posterior.
Description
Previously, a channel registered in the mux's chanList is not usable until it is established. A malicious peer was able flood the channel's incomingRequests, deadlocking the entire connection.
Now, we add an atomic established state, set when a channel becomes usable. Until such a time, handlePacket drops every packet other than the open confirmation/failure, without blocking and without tearing down the connection.
NVD description
Previously, a channel registered in the mux's chanList is not usable until it is established. A malicious peer was able flood the channel's incomingRequests, deadlocking the entire connection. Now, we add an atomic established state, set when a channel becomes usable. Until such a time, handlePacket drops every packet other than the open confirmation/failure, without blocking and without tearing down the connection.
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