Amazon Linux 2023 — dovecot — multiple vulnerabilities (5 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read • Source: Amazon Linux advisory ALAS2023-2026-1570 Related CVEs: CVE-2026-27856 CVE-2026-27857 CVE-2026-27858 CVE-2024-23184 CVE-2024-23185 Upstream summary: Doveadm credentials are verified using direct comparison which is susceptible to timing oracle attack. An attacker can use this to […]