consensus-algorithm

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Sui
vulnerability

A high-severity vulnerability in Sui's Narwhal consensus layer allowed attackers to crash validator nodes via memory exhaustion by requesting large numbers of certificate digests without limits, enabling temporary total network shutdown. The bug was fixed by removing the vulnerable GetCertificates and GetPayloadAvailability handlers.

Sui Immunefi @F4lt Narwhal Bullshark MystenLabs
immunefi.com · unknown · 22 hours ago · details