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High severity7.5NVD Advisory· Published Dec 4, 2022· Updated Jun 17, 2026

CVE-2022-46405

CVE-2022-46405

Description

Mastodon through 4.0.2 allows attackers to cause a denial of service (large Sidekiq pull queue) by creating bot accounts that follow attacker-controlled accounts on certain other servers associated with a wildcard DNS A record, such that there is uncontrolled recursion of attacker-generated messages.

Affected products

4
  • Mastodon/Mastodon3 versions
    cpe:2.3:a:joinmastodon:mastodon:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:joinmastodon:mastodon:*:*:*:*:*:*:*:*range: <=4.0.2
    • (no CPE)
    • (no CPE)range: <=4.0.2
  • osv-coords
    pkg:bitnami/mastodon
    Range: < 4.0.3

Patches

Vulnerability mechanics

References

2

News mentions

0

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