Ubuntu 22.04 — exim4 — multiple vulnerabilities (12 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 24 February 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read • Source: Ubuntu Security Notice USN-8270-1 Related CVEs: https://launchpad.net/bugs/2152202 CVE-2026-40685 CVE-2026-40687 CVE-2026-40686 CVE-2024-39929 CVE-2023-51766 CVE-2023-42117 CVE-2023-42119 +4 more Upstream summary: It was discovered that Exim incorrectly handled BDAT body parsing. A remote attacker could use […]