Ubuntu 24.04 — exim4 — multiple vulnerabilities (6 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 18 February 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~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-2025-30232 CVE-2024-39929 Upstream summary: It was discovered that Exim incorrectly handled BDAT body parsing. A remote attacker could use this issue to cause […]