Amazon Linux AMI Security Advisory: ALAS-2020-1372
Advisory Release Date: 2020-06-03 17:20 Pacific
In Twisted Web through 19.10.0, there was an HTTP request splitting vulnerability. When presented with two content-length headers, it ignored the first header. When the second content-length value was set to zero, the request body was interpreted as a pipelined request.(CVE-2020-10108 )
Run yum update python-twisted-web to update your system.