CVE-2019-3860: Fixed Out-of-bounds reads with specially crafted SFTP packets (bsc#1128481).
CVE-2019-3863: Fixed an Integer overflow in user authenticate keyboard interactive which could allow out-of-bounds writes
with specially crafted keyboard responses (bsc#1128493).
CVE-2019-3856: Fixed a potential Integer overflow in keyboard interactive handling which could allow out-of-bounds write
with specially crafted payload (bsc#1128472).
CVE-2019-3859: Fixed Out-of-bounds reads with specially crafted payloads due to unchecked use of libssh2packetrequire
and _libssh2packet_requirev (bsc#1128480).
CVE-2019-3855: Fixed a potential Integer overflow in transport read which could allow out-of-bounds write with specially
crafted payload (bsc#1128471).
CVE-2019-3858: Fixed a potential zero-byte allocation which could lead to an out-of-bounds read with a specially crafted
SFTP packet (bsc#1128476).
CVE-2019-3857: Fixed a potential Integer overflow which could lead to zero-byte allocation and out-of-bounds with specially
crafted message channel request SSH packet (bsc#1128474).
Other issue addressed:
Libbssh2 will stop using keys unsupported types in the known_hosts file (bsc#1091236).