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Mastodon, a popular decentralized social network, has released a security update to fix critical vulnerabilities that could expose millions of users to potential attacks.

Mastodon is known for its federated model, consisting of thousands of separate servers called “instances,” and it has over 14 million users across more than 20,000 instances.

The most critical vulnerability, CVE-2023-36460, allows hackers to exploit a flaw in the media attachments feature, creating and overwriting files in any location the software could access on an instance.

This software vulnerability could be used for DoS and arbitrary remote code execution attacks, posing a significant threat to users and the broader Internet ecosystem.

images from Hacker News