CVE-2019-3862: libssh2: Out-of-bounds memory comparison with specially crafted message channel request

Severity: Critical

CVSS Score: 9.1

An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SSH_MSG_CHANNEL_REQUEST packets with an exit status message and no payload are parsed. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.