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OpenAdvisories
High · 7.4 CVE-2023-42451 EUVD-2023-46897

Mastodon Invalid Domain Name Normalization vulnerability

Published Sep 19, 2023 · Updated Sep 24, 2024 · Assigned by GitHub_M

Description

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

VendorProductAffectedFixed
mastodon mastodon < 3.5.14, >= 4.0.0, < 4.0.10, >= 4.1.0, < 4.1.8, >= 4.2.0-beta1, < 4.2.0-rc2 —

References