A vulnerability was found in Keycloak before 11.0.1 where DoS attack is possible by sending twenty requests simultaneously to the specified keycloak server, all with a Content-Length header value that exceeds the actual byte count of the request body.
{
"versions": [
{
"introduced": "0"
},
{
"fixed": "11.0.1"
},
{
"introduced": "0"
},
{
"last_affected": "1.0"
},
{
"introduced": "0"
},
{
"last_affected": "7.0"
}
]
}