Tezos Agora Forum

Liveness Vulnerability Found: A Patched Mumbai Proposal Is Available

Research and Development

NomadicLabs June 16, 2023, 3:59pm 2

Incident Report available:

Incident Report: Mumbai 2 user-activated protocol override Research and Development

TL;DR The updated Mumbai upgrade proposal, Mumbai 2, patched a vulnerability that could potentially halt block production on the Tezos network. No funds were at risk. On March 7th 2023, we announced Mumbai 2, a patched version of the Mumbai protocol proposal addressing a liveness vulnerability witnessed on the Ghostnet test network. In this report, we revisit the events as they occurred and the decisions taken in response to this incident. But first, we provide a short summary: An “inconsiste…

and also on our blog:

research-development.nomadic-labs.com

Incident Report: Mumbai 2 user-activated protocol override

The updated Mumbai upgrade proposal, Mumbai 2, patched a vulnerability that could potentially halt block production on the Tezos network. No funds were at risk.

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