libssh2 out-of-bounds read vulnerability (CNVD-2019-07803)

libssh2 is a client-side C library that implements the SSH2 protocol, which is capable of executing remote commands, file transfers, and providing a secure transmission channel for remote programs. The 'libssh2packetrequire' and 'libssh2packetrequirev' functions in libssh2 have an out-of-bounds...