CVE-2026-92077

MEDIUM CVSS 3.1: 6.5 EPSS 0.15%
Updated Sep 20, 2026
Mozilla
Parameter Value
CVSS 6.5 (MEDIUM)
Type CWE-770 (Allocation Without Limits)
Vendor Mozilla
Public PoC No

Denial-of-service in the SVG component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.

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:thunderbird mozilla:firefox