CVE-2025-1942 — Disclosure of uninitialized memory when .toUpperCase() causes string to get longer
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 Firef…
Published: 2025-03-04 · CVSS: 9.8 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7