Stalwart Mail Server

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Latest 0.16.27 Oct 18, 2026

Recent releases

0.16.27 Oct 18, 2026 Release notes ↗ 6fix

0.16.26 Oct 11, 2026 → 0.16.27 Release notes ↗ 2feature7fix

0.16.25 Oct 5, 2026 → 0.16.27 Release notes ↗ 17fix

0.16.24 Sep 27, 2026 → 0.16.27 Release notes ↗ 1feature22fix

0.16.23 Sep 21, 2026 → 0.16.27 Release notes ↗ 1feature22fix

0.16.22 Sep 13, 2026 → 0.16.27 Release notes ↗ 26fix

0.16.21 Sep 6, 2026 → 0.16.27 Release notes ↗ 1feature14fix

0.16.20 Aug 30, 2026 → 0.16.27 Release notes ↗ 10feature15fix

0.16.19 Aug 24, 2026 → 0.16.27 Release notes ↗ 3feature37fix

0.16.18 Aug 17, 2026 → 0.16.27 Release notes ↗ 2feature32fix

0.16.17 Aug 10, 2026 → 0.16.27 Release notes ↗ 6feature12fix

0.16.16 Aug 2, 2026 → 0.16.27 Release notes ↗ 2feature11fix

0.16.15 Jul 27, 2026 → 0.16.27 Release notes ↗ 17fix

0.16.14 Jul 20, 2026 → 0.16.27 Release notes ↗ 1feature20fix

0.16.13 Jul 12, 2026 → 0.16.27 Release notes ↗ 1feature14fix

Security advisories

6.5 CVE-2026-26312 Out-of-Memory Denial of Service via Malformed Nested MIME Messages

7.5 CVE-2025-61600 Unbounded Memory Allocation in Stalwart IMAP server

high CVE-2025-59045 Memory Exhaustion via CalDAV Event Expansion

9.1 CVE-2024-35187 Privilege escalation by design

6.8 CVE-2024-35179 Unprivileged user can read files as root

Sources