| Package | Affected versions | Patched versions |
|---|---|---|
| animal crossing | < 2.0.6 | 2.0.6 |
| arms | < 5.4.1 | 5.4.1 |
| mario kart 7 | < 1.2 | 1.2 |
| mario kart 8 | < 2.1.0 | 2.1.0 |
| splatoon 2 | < 5.5.1 | 5.5.1 |
| super mario maker 2 | < 3.0.2 | 3.0.2 |
The Nintendo NetworkBuffer class, as used in Animal Crossing: New Horizons before 2.0.6 and other products, allows remote attackers to execute arbitrary code via a large UDP packet that causes a buffer overflow, aka ENLBufferPwn. The victim must join a game session with the attacker. Other affected products include Mario Kart 7 before 1.2, Mario Kart 8, Mario Kart 8 Deluxe before 2.1.0, ARMS before 5.4.1, Splatoon, Splatoon 2 before 5.5.1, Splatoon 3 before late 2022, Super Mario Maker 2 before 3.0.2, and Nintendo Switch Sports before late 2022.
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