CVE-2023-42451

published 2023-09-19

CVE-2023-42451: 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…

Priority P3 43 high 7.5 CVSS 3.1

AV N AC L PR N UI N S U C N I H A N

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

8 ranges

Vendor	Product	Version range	Fixed in
joinmastodon	mastodon	< 3.5.14	3.5.14
joinmastodon	mastodon	—	—
joinmastodon	mastodon	>= 4.0.0 < 4.0.10	4.0.10
joinmastodon	mastodon	>= 4.1.0 < 4.1.8	4.1.8
mastodon	mastodon	< 3.5.14	3.5.14
mastodon	mastodon	—	—
mastodon	mastodon	—	—
mastodon	mastodon	—	—

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CWE-706