CVE-1999-0768

CVE-1999-0768 describes a critical buffer overflow vulnerability in Vixie Cron, specifically affecting Red Hat and SUSE Linux systems. This flaw allows an unauthenticated attacker to execute arbitrary code by manipulating the MAILTO environmental variable. With a CVSS score of 7.5 (HIGH), the vulnerability is easily exploitable over the network with low attack complexity, potentially leading to full compromise (confidentiality, integrity, and availability). While not listed on CISA’s KEV catalog, exploit code is publicly available on ExploitDB, though there is no evidence of active exploitation or significant community discussion.