Red Hat: CVE-2026-4480: samba: Samba: Remote Code Execution in printing subsystem via unescaped job description (Multiple Advisories)

A flaw was found in the Samba printing subsystem. Samba passes the client-controlled job description string to the command configured with the "print command" setting via the "%J"
substitution character without escaping shell meta characters. A remote attacker could exploit this vulnerability by sending a specially crafted print job description that contains unescaped shell characters. This could lead to remote code execution on the affected system.