Mastodon delays firm fix for link previews DDoSing sites
ID: f587ed8c-544c-5a9e-bf5d-74a6a797a688
STIX ID: report--f587ed8c-544c-5a9e-bf5d-74a6a797a688
Feed Name: The Register (Security)
Threat Score
Mastodon's decentralized link-preview mechanism can cause accidental DDoS-like traffic spikes on target websites because each federated instance fetches previews as posts propagate; Mastodon implemented a temporary mitigation but postponed a full ActivityPub/spec-based fix to version 4.4.0, acknowledging the issue affects all Fediverse implementations.
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