CVE - CVE-2025-23221

CVE-ID
CVE-2025-23221	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
Fedify is a TypeScript library for building federated server apps powered by ActivityPub and other standards. This vulnerability allows a user to maneuver the Webfinger mechanism to perform a GET request to any internal resource on any Host, Port, URL combination regardless of present security mechanisms, and forcing the victim’s server into an infinite loop causing Denial of Service. Moreover, this issue can also be maneuvered into performing a Blind SSRF attack. This vulnerability is fixed in 1.0.14, 1.1.11, 1.2.11, and 1.3.4.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://github.com/dahlia/fedify/commit/8be3c2038eebf4ae12481683a1e809b314be3151 URL:https://github.com/dahlia/fedify/commit/8be3c2038eebf4ae12481683a1e809b314be3151 MISC:https://github.com/dahlia/fedify/commit/c505eb82fcd6b5b17174c6659c29721bc801ab9a URL:https://github.com/dahlia/fedify/commit/c505eb82fcd6b5b17174c6659c29721bc801ab9a MISC:https://github.com/dahlia/fedify/commit/e921134dd5097586e4563ea80b9e8d1b5460a645 URL:https://github.com/dahlia/fedify/commit/e921134dd5097586e4563ea80b9e8d1b5460a645 MISC:https://github.com/dahlia/fedify/security/advisories/GHSA-c59p-wq67-24wx URL:https://github.com/dahlia/fedify/security/advisories/GHSA-c59p-wq67-24wx
Assigning CNA
GitHub (maintainer security advisories)
Date Record Created
20250113	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20250113)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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