OpenSSH is a complete SSH protocol implementation that includes an SFTP client and server support.
Multiple vulnerabilities have been discovered in OpenSSH. Please review the CVE identifiers referenced below for details.
There is no known workaround at this time.
All openssh users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/openssh-7.1_p1-r2"