CVE-2025-1942 (GCVE-0-2025-1942)
Vulnerability from cvelistv5
Published
2025-03-04 13:31
Modified
2026-04-13 14:30
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
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.
References
Impacted products
Vendor Product Version
Mozilla Firefox Unaffected: 136
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