Ubuntu 18.04 — opensmtpd — multiple vulnerabilities (3 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 11 December 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4294-1 Related CVEs: CVE-2020-8793 CVE-2020-8794 CVE-2020-7247 Upstream summary: It was discovered that OpenSMTPD mishandled certain input. A remote, unauthenticated attacker could use this vulnerability to execute arbitrary shell commands as […]