The current version of Exim is 4.99.1 (as of 14/12/2025). patchletter checks the official source daily and emails you new releases.
Actively exploited vulnerabilities
The US cybersecurity agency CISA lists these vulnerabilities in its catalog of Known Exploited Vulnerabilities. What CISA does not carry does not appear in this list — even where it is being exploited.
9.8 critical · over the network, without login · CISA deadline was 3 May 22
- CVE-2019-10149Exim Mail Transfer Agent (MTA) Improper Input Validation
9.8 critical · over the network, without login · CISA deadline was 10 Jul 22
- CVE-2019-16928Exim Out-of-bounds Write Vulnerability
9.8 critical · over the network, without login · CISA deadline was 17 Mar 22
- CVE-2010-4344Exim Heap-Based Buffer Overflow Vulnerability
9.8 critical · over the network, without login · CISA deadline was 15 Apr 22
- CVE-2010-4345Exim Privilege Escalation Vulnerability
7.8 high · locally only, with a basic account · CISA deadline was 15 Apr 22
Source: CISA KEV. The CVE is matched to the product automatically — when in doubt, the linked NVD entry applies.
BSI security advisories
Advisories the German BSI (CERT-Bund) published for this product. Whether your version is affected is stated in the advisory itself.
- Exim: Mehrere Schwachstellen
WID-SEC-W-2026-3475 · 7 Oct
- Exim und cPanel/WHM: Mehrere Schwachstellen
WID-SEC-W-2026-1334 · 14 Aug
- Exim: Schwachstelle ermöglicht Codeausführung
WID-SEC-W-2026-1505 · 14 Aug
- Exim: Schwachstelle ermöglicht Privilegieneskalation
WID-SEC-W-2025-0645 · 14 Aug
- Exim: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen
WID-SEC-W-2024-1527 · 14 Aug
- Exim: Schwachstelle ermöglicht Offenlegung von Informationen
WID-SEC-W-2026-1742 · 28 Jul
- Exim: Mehrere Schwachstellen
WID-SEC-W-2026-2494 · 27 Jul
- Exim: Mehrere Schwachstellen
WID-SEC-W-2023-2505 · 11 Jun
Support cycles (endoflife.date)
| Cycle | Latest version | Status |
|---|---|---|
| 4.99 | 4.99.1 | supported |
| 4.98 | 4.98.2 | End of Life |
| 4.97 | 4.97.1 | End of Life |
| 4.96 | 4.96.2 | End of Life |
| 4.95 | 4.95 | End of Life |
| 4.94 | 4.94.2 | End of Life |
| 4.93 | 4.93.0.4 | End of Life |
| 4.92 | 4.92.3 | End of Life |
Version history & changelog · as detected by patchletter
| Version | Channel | Date | Notes |
|---|---|---|---|
| 4.99.1 | STABLE | 14/12/2025 | Release notes → |
Frequently asked questions
- What is the latest version of Exim?
- Exim 4.99.1, released 14/12/2025. patchletter checks the vendor's official source daily for new releases.
- Where can I find the Exim release notes?
- The version history above links to the vendor's official release notes where the vendor publishes them. patchletter deliberately stores no vendor full texts.
- How do I get notified about new Exim updates?
- Tick Exim off in the catalogue and leave your address. From then on new versions go out by email — one at a time, or bundled in the daily or weekly digest.
An email as soon as a new Exim version ships
We reconcile the vendor source daily. When a new version appears, it lands in your inbox right away or bundled as a digest. The update email is free and ends with one click. Alerts about vulnerabilities and end of support are part of patchletter Pro.
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[](https://patchletter.com/en/software/exim)https://patchletter.com/badge/exim.svgAlso available: ?v=eol (end of support) and ?v=cve (actively exploited).
