system
Describe <CVE-2019-3859>.
user
What is <CVE-2019-3859>?
assistant
An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the _libssh2_packet_require and _libssh2_packet_requirev functions. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory..