NetSight
high7.4

CVE-2023-42451

Mastodon is a free, open-source social network server based on ActivityPub.

Impact

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

VendorProductAffected versions
JoinmastodonMastodon
before 3.5.14
from 4.0.0 before 4.0.10
from 4.1.0 before 4.1.8
Version 4.2.0

Weakness classification

References