{"id":"CVE-2022-46405","aliases":["BIT-mastodon-2022-46405","EUVD-2022-49214","GHSA-8f7g-vmw6-89m7"],"status":"published","title":"Mastodon through 4.0.2 allows attackers to cause a denial of service (large Sidekiq pull queue)...","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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01001,"percentile":0.63109,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-674"],"published":"2022-12-04T00:00:00Z","modified":"2026-10-28T02:31:06Z","fixes":[{"ecosystem":"Bitnami","package":"mastodon","fixed_in":["4.0.3"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"mastodon","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"4.0.3"}]}]}],"products":[{"vendor":"joinmastodon","product":"mastodon"}],"references":[{"url":"https://borg.social/notes/98bcoo2t1n","tags":["x_transferred","Issue Tracking","Third Party Advisory","advisory","web"]},{"url":"https://hackmd.io/rD9nsTz1QeuPT-erxqjY-A","tags":["x_transferred","Exploit","Issue Tracking","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-46405","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-8f7g-vmw6-89m7"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/46xxx/CVE-2022-46405.json","tags":["advisory"]}],"sources":{"cve":[{"id":"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.","status":"published","published":"2022-12-04T00:00:00Z","modified":"2025-04-24T15:19:38.915Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-674"],"updated_at":"2026-11-02T14:34:31.840191Z"}],"euvd":[{"id":"EUVD-2022-49214","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.","status":"published","published":"2022-12-04T00:00:00Z","modified":"2025-04-24T15:19:38Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T20:52:04.118749Z"}],"ghsa":[{"id":"GHSA-8f7g-vmw6-89m7","title":"Mastodon through 4.0.2 allows attackers to cause a denial of service (large Sidekiq pull queue)...","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.","status":"published","published":"2022-12-04T06:30:30Z","modified":"2023-01-31T05:02:50Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-674"],"updated_at":"2026-11-02T14:48:20.805498Z"}],"nvd":[{"id":"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.","status":"published","published":"2022-12-04T04:15:09.38Z","modified":"2026-06-17T05:11:43.15Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-674"],"updated_at":"2026-11-02T14:07:33.239526Z"}],"osv":[{"id":"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.","status":"published","published":"2022-12-04T00:00:00Z","modified":"2026-10-28T02:31:06.293325374Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:27.481647Z"},{"id":"BIT-mastodon-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.","status":"published","published":"2024-03-06T10:57:12.594Z","modified":"2026-09-08T08:48:13.025980531Z","updated_at":"2026-11-02T15:28:32.645004Z"}]}}