| Name | CVE-2026-94057 |
| Description | 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. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-6522-1 |
| Debian Bugs | 1148506 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| exim4 (PTS) | bookworm, bookworm (security) | 4.96-15+deb12u10 | vulnerable |
| trixie | 4.98.2-1+deb13u4 | vulnerable | |
| trixie (security) | 4.98.2-1+deb13u5 | fixed | |
| forky | 4.100.1-1 | fixed | |
| sid | 4.100.1-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| exim4 | source | trixie | 4.98.2-1+deb13u5 | DSA-6522-1 | ||
| exim4 | source | (unstable) | 4.100.1-1 | 1148506 |
https://lists.exim.org/lurker/message/20260918.121220.0f87338e.en.html
Fixed by: https://code.exim.org/exim/exim/commit/fb7ccaa78db25a5816a3c4413d2e6caa44aaf822