Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier may consume excessive amounts of memory when proxying HTTP/2 requests or responses with many small (i.e. 1 byte) data frames.
{
"versions": [
{
"introduced": "0"
},
{
"last_affected": "1.12.4"
},
{
"introduced": "0"
},
{
"last_affected": "1.13.2"
},
{
"introduced": "0"
},
{
"last_affected": "1.14.2"
}
]
}