TrendLabs: OpenSMTPD Vulnerability (CVE-2020-8794) Can Lead to Root Privilege Escalation and Remote Code Execution

Figure 3. Lines injected to envelope for older versions

REF: https://blog.trendmicro.com/trendlabs-security-intelligence/opensmtpd-vulnerability-cve-2020-8794-can-lead-to-root-privilege-escalation-and-remote-code-execution/