CVE-2026-94057
exim4: Exim before 4.100.1 allows SMTP smuggling in which the received message does not match any sent message, and instead...
CVE-2026-94057 is fixed in 17 products on 1 platform, first by exim4 4.99.1-1ubuntu1.5, released September 19, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
5.3
medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0020
9th percentile
Exim before 4.100.1 allows SMTP smuggling in which the received message does not match any sent message, and instead depends on crafted data sent after a rejection during DATA processing.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| exim · Fedora 43 | 4.100.1-1.fc43 | FEDORA-2026-D202B74C6A | Oct 6, 2026 |
| exim-clamav · Fedora 43 | 4.100.1-1.fc43 | FEDORA-2026-D202B74C6A | Oct 6, 2026 |
| exim-debuginfo · Fedora 43 | 4.100.1-1.fc43 | FEDORA-2026-D202B74C6A | Oct 6, 2026 |
| exim-debugsource · Fedora 43 | 4.100.1-1.fc43 | FEDORA-2026-D202B74C6A | Oct 6, 2026 |
| exim-greylist · Fedora 43 | 4.100.1-1.fc43 | FEDORA-2026-D202B74C6A | Oct 6, 2026 |
| exim-mon · Fedora 43 | 4.100.1-1.fc43 | FEDORA-2026-D202B74C6A | Oct 6, 2026 |
| exim-mon-debuginfo · Fedora 43 | 4.100.1-1.fc43 | FEDORA-2026-D202B74C6A | Oct 6, 2026 |
| exim-mysql · Fedora 43 | 4.100.1-1.fc43 | FEDORA-2026-D202B74C6A | Oct 6, 2026 |
| exim-mysql-debuginfo · Fedora 43 | 4.100.1-1.fc43 | FEDORA-2026-D202B74C6A | Oct 6, 2026 |
| exim-pgsql · Fedora 43 | 4.100.1-1.fc43 | FEDORA-2026-D202B74C6A | Oct 6, 2026 |
| exim-pgsql-debuginfo · Fedora 43 | 4.100.1-1.fc43 | FEDORA-2026-D202B74C6A | Oct 6, 2026 |
| exim4 · Debian 13.5 (trixie) | 4.98.2-1+deb13u5 | DEBIAN-CVE-2026-94057 | Sep 25, 2026 |
| exim4 · Debian 14 | 4.100.1-1 | DEBIAN-CVE-2026-94057 | Sep 25, 2026 |
| exim4 · Ubuntu 22.04.1 LTS (jammy) | 4.95-4ubuntu2.12 | exim4 4.95-4ubuntu2.12 | Sep 29, 2026 |
| exim4 · Ubuntu 24.04.5 LTS (noble) | 4.97-4ubuntu4.8 | exim4 4.97-4ubuntu4.8 | Sep 29, 2026 |
| exim4 · Ubuntu 26.04.1 LTS (resolute) | 4.99.1-1ubuntu1.5 | exim4 4.99.1-1ubuntu1.5 | Sep 19, 2026 |
| exim4-base · Ubuntu 22.04.1 LTS (jammy) | 4.95-4ubuntu2.12 | exim4-base 4.95-4ubuntu2.12 | Sep 29, 2026 |
| exim4-base · Ubuntu 24.04.5 LTS (noble) | 4.97-4ubuntu4.8 | exim4-base 4.97-4ubuntu4.8 | Sep 29, 2026 |
| exim4-base · Ubuntu 26.04.1 LTS (resolute) | 4.99.1-1ubuntu1.5 | exim4-base 4.99.1-1ubuntu1.5 | Sep 19, 2026 |
| exim4-config · Ubuntu 22.04.1 LTS (jammy) | 4.95-4ubuntu2.12 | exim4-config 4.95-4ubuntu2.12 | Sep 29, 2026 |
| exim4-config · Ubuntu 24.04.5 LTS (noble) | 4.97-4ubuntu4.8 | exim4-config 4.97-4ubuntu4.8 | Sep 29, 2026 |
| exim4-config · Ubuntu 26.04.1 LTS (resolute) | 4.99.1-1ubuntu1.5 | exim4-config 4.99.1-1ubuntu1.5 | Sep 19, 2026 |
| exim4-daemon-heavy · Ubuntu 22.04.1 LTS (jammy) | 4.95-4ubuntu2.12 | exim4-daemon-heavy 4.95-4ubuntu2.12 | Sep 29, 2026 |
| exim4-daemon-heavy · Ubuntu 24.04.5 LTS (noble) | 4.97-4ubuntu4.8 | exim4-daemon-heavy 4.97-4ubuntu4.8 | Sep 29, 2026 |
| exim4-daemon-heavy · Ubuntu 26.04.1 LTS (resolute) | 4.99.1-1ubuntu1.5 | exim4-daemon-heavy 4.99.1-1ubuntu1.5 | Sep 19, 2026 |
| exim4-daemon-light · Ubuntu 22.04.1 LTS (jammy) | 4.95-4ubuntu2.12 | exim4-daemon-light 4.95-4ubuntu2.12 | Sep 29, 2026 |
| exim4-daemon-light · Ubuntu 24.04.5 LTS (noble) | 4.97-4ubuntu4.8 | exim4-daemon-light 4.97-4ubuntu4.8 | Sep 29, 2026 |
| exim4-daemon-light · Ubuntu 26.04.1 LTS (resolute) | 4.99.1-1ubuntu1.5 | exim4-daemon-light 4.99.1-1ubuntu1.5 | Sep 19, 2026 |
| eximon4 · Ubuntu 22.04.1 LTS (jammy) | 4.95-4ubuntu2.12 | eximon4 4.95-4ubuntu2.12 | Sep 29, 2026 |
| eximon4 · Ubuntu 24.04.5 LTS (noble) | 4.97-4ubuntu4.8 | eximon4 4.97-4ubuntu4.8 | Sep 29, 2026 |
| eximon4 · Ubuntu 26.04.1 LTS (resolute) | 4.99.1-1ubuntu1.5 | eximon4 4.99.1-1ubuntu1.5 | Sep 19, 2026 |
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