A sequence injection vulnerability exists in Rack <2.0.9.1, <2.1.4.1 and <2.2.3.1 which could allow is a possible shell escape in the Lint and CommonLogger components of Rack.
{
"versions": [
{
"introduced": "0"
},
{
"fixed": "2.0.9.1"
},
{
"introduced": "2.1.0"
},
{
"fixed": "2.1.4.1"
},
{
"introduced": "2.2.0"
},
{
"fixed": "2.2.3.1"
}
]
}