GHSA-82vg-5v4f-f9wq: Namada-apps can Crash with Excessive Computation in Mempool Validation

Severity: Critical

CVSS Score: 9.2

### Impact A malicious transaction may cause a crash in mempool validation. A transaction with authorization section containing 256 public keys or more with valid matching signatures triggers an integer overflow in signature verification that causes a the node to panic. ### Patches This issue has been patched in apps version 1.1.0. The mempool validation has been fixed to avoid overflow. ### Workarounds There are no workarounds and users are advised to upgrade.