The MarkStack assignment operator, part of the JavaScript engine, could access uninitialized memory if it were used in a self-assignment. This vulnerability affects Firefox < 125.
[
{
"product": "Firefox",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "125",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]