CVE-2025-68475

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

22/12/2025

Last modified:

17/03/2026

Description

Fedify is a TypeScript library for building federated server apps powered by ActivityPub. Prior to versions 1.6.13, 1.7.14, 1.8.15, and 1.9.2, a Regular Expression Denial of Service (ReDoS) vulnerability exists in Fedify&#39;s document loader. The HTML parsing regex at packages/fedify/src/runtime/docloader.ts:259 contains nested quantifiers that cause catastrophic backtracking when processing maliciously crafted HTML responses. This issue has been patched in versions 1.6.13, 1.7.14, 1.8.15, and 1.9.2.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

7.50

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:fedify:fedify::::::::		1.6.13 (excluding)
cpe:2.3:a:fedify:fedify::::::::	1.7.0 (including)	1.7.14 (excluding)
cpe:2.3:a:fedify:fedify::::::::	1.8.1 (including)	1.8.15 (excluding)
cpe:2.3:a:fedify:fedify::::::::	1.9.0 (including)	1.9.2 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2025-68475

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools