libssh is a library which implements the SSH protocol. It can be used to implement client and server applications. The following packages have been upgraded to a later upstream version: libssh . Security Fix: * libssh: denial of service when handling AES-CTR ciphers * libssh: unsanitized location in scp could lead to unwanted command execution For more details about the security issue, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.3 Release Notes linked from the References section.