CVE-2018-1083

CVE-2018-1083 is a buffer overflow vulnerability affecting Zsh versions prior to 5.4.2-test-1, impacting canonical, debian, and redhat distributions. A local unprivileged user can exploit this by crafting a malicious directory path, leading to code execution when another user attempts autocomplete on that path. With a CVSS score of 7.8 (HIGH), successful exploitation can result in high confidentiality, integrity, and availability impacts, including privilege escalation if the affected user is privileged. There is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this vulnerability.