CVE-2023-42451 (published 2023-09-19T15:56:46.962Z)
Mastodon is a free, open-source social network server based on ActivityPub. Prior to versions 3.5.14, 4.0.10, 4.1.8, and 4.2.0-rc2, under certain circumstances, attackers can exploit a flaw in domain name normalization to spoof domains they do not own. Versions 3.5.14, 4.0.10, 4.1.8, and 4.2.0-rc2 contain a patch for this issue.
Affected products: Vendor: mastodon
Product: mastodon
Versions: < 3.5.14, >= 4.0.0, < 4.0.10, >= 4.1.0, < 4.1.8, >= 4.2.0-beta1, < 4.2.0-rc2