CVEvulnerability

CVE-2023-42451

7.5 HIGH Published 2023-09-19 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2023-09-19
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.4 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weaknesses
CWE-706

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 configurations

• joinmastodon mastodon (< 3.5.14) • joinmastodon mastodon (>= 4.0.0 < 4.0.10) • joinmastodon mastodon (>= 4.1.0 < 4.1.8) • joinmastodon mastodon 4.2.0

Related

Weakness · CWE (1)

  • CWE-706 Use of Incorrectly-Resolved Name or Reference weakness

References