A heap buffer overflow vulnerability may occur in WebAssembly when “shrinkElements” is called followed by garbage collection on memory that is now uninitialized. This results in a potentially exploitable crash. This vulnerability affects Firefox < 58.
[
{
"product": "Firefox",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "58",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]