CyberRota Analysis
This is a critical severity vulnerability with a CVSS score of 9.8. It affects Firefox.
CVE
CVE-2025-1942
Severity
CRITICAL
CVSS
9.8
EPSS
0.46%
Firefox
Original NVD 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.
Related CVEs
Other vulnerabilities affecting the same vendor(s)