CVE-2024-5594: Control Channel: Refuse Control Channel Messages with Nonprintable Characters in Them

Security Scope: A malicious OpenVPN peer can send garbage to OpenVPN log, or cause high CPU load.

References

• Release notes: https://www.mail-archive.com/openvpn-users@lists.sourceforge.net/msg07634.html
• CVE record: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-5594
• Reported by: Reynir Björnsson