Description

When String.toUpperCase() caused a string to get longer it was possible for uninitialized memory to be incorporated into the result string. This vulnerability was fixed in Firefox 136 and Thunderbird 136.

INFO

Published Date :

2025-03-04T13:31:25.504Z

Last Modified :

2026-04-13T14:30:28.192Z

Source :

mozilla
AFFECTED PRODUCTS

The following products are affected by CVE-2025-1942 vulnerability.

Vendors Products
Mozilla
  • Firefox
  • Thunderbird

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact