CVE-2026-113401

MEDIUM CVSS 3.1: 6.5 EPSS 0.35%
Updated Oct 20, 2026
Firefox
Parameter Value
CVSS 6.5 (MEDIUM)
Type CWE-400 (Uncontrolled Resource Consumption)
Vendor Firefox
Public PoC No

Denial-of-service in the PDF Viewer component. This vulnerability was fixed in Firefox 158.0.1 and Thunderbird 158.0.1.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
Required
User action required

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Vulnerable Products

mozilla:firefox