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Servers and applications

CVE-2022-46405

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.

Severity
High 7.5
Published
4 Dec 2022
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
MastodonServers and applications · cpe:a:joinmastodon:mastodon
  • Every version up to 4.0.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2022-46405
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2022-46405