On 1 July 2024 we released a fix for the high-impact CVE-2024-6387 vulnerability, nicknamed regreSSHion, as part of the coordinated release date (CRD). Discovered and responsibly disclosed by Qualys, the unauthenticated, network-exploitable remote code execution flaw affects the OpenSSH server daemon (sshd) starting with version 8.5p1 and before 9.8p1.

Source: Ubuntu Insights