Ubuntu 20.04 — exim4 — multiple vulnerabilities (20 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 7 April 2025 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-6939-1 Related CVEs: CVE-2024-39929 CVE-2021-38371 CVE-2023-51766 CVE-2023-42117 CVE-2023-42119 CVE-2023-42114 CVE-2023-42115 CVE-2023-42116 +12 more Upstream summary: Phillip Szelat discovered that Exim misparses multiline MIME header filenames. A remote attacker could use […]