The css-what package 4.0.0 through 5.0.0 for Node.js does not ensure that attribute parsing has Linear Time Complexity relative to the size of the input.
{
"versions": [
{
"introduced": "0"
},
{
"last_affected": "4.0.0"
},
{
"introduced": "0"
},
{
"last_affected": "5.0.0"
}
]
}