Debian/exim4: medium 5.3
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.
Action: Upgrade exim4 to 4.98.2-1+deb13u5 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 4.98.2-1+deb13u5 | - |
Fixed versions
| 4.98.2-1+deb13u5 |
Sources
- osv: DEBIAN-CVE-2026-94057#Debian:13/exim4
- https://security-tracker.debian.org/tracker/CVE-2026-94057
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