CVE-2026-113400

MEDIUM CVSS 3.1: 5.4 EPSS 0.26%
Updated Oct 20, 2026
Firefox
Parameter Value
CVSS 5.4 (MEDIUM)
Type CWE-457
Vendor Firefox
Public PoC No

Uninitialized memory in the Audio/Video: cubeb 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
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
None
No disruption

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products

mozilla:firefox