En resumen
- CVE-2026-78662 es una vulnerabilidad ALTO (CVSS 7.5) que afecta a golang.org/x/crypto, crypto (golang).
- Probabilidad de explotación en los próximos 30 días (EPSS): 0.43%, mayor que el 37.4% de las vulnerabilidades.
- Solución: actualizar a 0.56.0 o 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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