Hyperledger · Hyperledger Fabric · CVE-2022-31121
**Name of the Vulnerable Software and Affected Versions**
Hyperledger Fabric versions prior to 2.2.7
Hyperledger Fabric versions prior to 2.4.5
**Description**
Hyperledger Fabric is a permissioned distributed ledger framework. In affected versions, if a consensus client sends a malformed consensus request to an orderer, it may crash the orderer node. A fix has been added which checks for missing consensus messages and returns an error to the consensus client should the message be missing.
**Recommendations**
To resolve the issue, upgrade to version 2.2.7 or v2.4.5.
As there are no known workarounds for this issue, users must upgrade to the specified versions to mitigate the risk.