Advisories for Golang/Github.com/Cosmos/Ibc-Apps/Middleware/Packet-Forward-Middleware/V4 package

Chains using affected versions of Packet Forward Middleware in their IBC Transfer stack are vulnerable to an attack in which there is a potential denial of service. This affects IBC transfers for any asset which is being transferred between another chain and its native chain. We recommend upgrading as soon as possible. THIS IS A STATE BREAKING CHANGE

The Cosmos SDK is used for Inter-Blockchain Communication Protocol (IBC) applications and middleware. The packet-forward-middleware module is an IBC middleware module built for Cosmos blockchains utilizing the IBC protocol allowing routing of incoming IBC packets from a source chain to a destination chain. The packet-forward-middleware module is vulnerable to potential chain-halt due to error non-determinism. Patches Please patch at your earliest convenience by applying one of the following patch versions, …