An issue was discovered in GoBGP before 3.35.0. pkg/packet/rtr/rtr.go does not verify that the input length corresponds to a situation in which all bytes are available for an RTR message.
https://github.com/osrg/gobgp/compare/v3.34.0...v3.35.0
https://github.com/osrg/gobgp/commit/5693c58a4815cc6327b8d3b6980f0e5aced28abe