servicemesh-proxy is vulnerable to denial of service. An attacker is able to crash the application by sending a malicious packet that specifies a large grpc-timeout, causing envoy to incorrectly calculate the timeouts.
access.redhat.com/errata/RHSA-2021:1324
access.redhat.com/security/updates/classification/#important
blog.envoyproxy.io
bugzilla.redhat.com/show_bug.cgi?id=1942272
github.com/envoyproxy/envoy/blob/15e3b9dbcc9aaa9d391fa8033904aad1ea1ae70d/api/envoy/api/v2/cluster.proto#L36
github.com/envoyproxy/envoy/releases
github.com/envoyproxy/envoy/security/advisories/GHSA-r22g-5f3x-xjgg
istio.io/latest/news/security/istio-security-2021-003/