rxvt-unicode 9.22, rxvt 2.7.10, mrxvt 0.5.4, and Eterm 0.9.7 allow (potentially remote) code execution because of improper handling of certain escape sequences (ESC G Q). A response is terminated by a newline. CREATE(Triage):(User=admin) CVE-2021-33477 (https://nvd.nist.gov/vuln/detail/CVE-2021-33477)