An attacker-controlled pointer free in hush leads to denial of service and possible code execution when processing a crafted shell command, due to the shell mishandling the &&& string. This may be used for remote code execution under rare conditions of filtered command input. CREATE(Triage):(User=admin) CVE-2021-42377 (https://nvd.nist.gov/vuln/detail/CVE-2021-42377)
