Ubuntu 18.04 — dovecot — multiple vulnerabilities (9 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5509-1 Related CVEs: CVE-2022-30550 CVE-2020-24386 CVE-2020-25275 CVE-2020-12100 CVE-2020-12673 CVE-2020-12674 CVE-2019-11500 CVE-2019-7524 +1 more Upstream summary: Julian Brook discovered that Dovecot incorrectly handled multiple passdb configuration entries. In certain configurations, a […]