CVE-2022-24125
The matchmaking servers of Bandai Namco FromSoftware Dark Souls III through 2022-03-19 allow remote attackers to send arbitrary push requests to clients via a RequestSendMessageToPlayers request. For example, ability to send a push message to hundreds of thousands of machines is only restricted on the client side, and can thus be bypassed with a modified client.
Source: CVE-2022-24125