CVE-2026-66141
Fixed in a distro release EPSS <1%CVSS 7.4
Exim before 4.99.5 allows .forward privilege escalation because force_command for a pipe transport is mishandled.
Products: exim
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Chainguard | exim | 4.99.5-r0 |
| Chainguard | exim-cdb | 4.99.5-r0 |
| Chainguard | exim-dbmdb | 4.99.5-r0 |
| Chainguard | exim-dnsdb | 4.99.5-r0 |
| Chainguard | exim-doc | 4.99.5-r0 |
| Chainguard | exim-mysql | 4.99.5-r0 |
| Chainguard | exim-pgsql | 4.99.5-r0 |
| Chainguard | exim-scripts | 4.99.5-r0 |
| Chainguard | exim-sqlite | 4.99.5-r0 |
| Chainguard | exim-utils | 4.99.5-r0 |
| Debian 12 | exim4 | no fix |
| Debian 13 | exim4 | 4.98.2-1+deb13u4 |
| Debian 14 | exim4 | 4.99.4-2 |
| Ubuntu 22.04 LTS | exim4 | 4.95-4ubuntu2.11 |
| Ubuntu 24.04 LTS | exim4 | 4.97-4ubuntu4.7 |
| Ubuntu 26.04 LTS | exim4 | 4.99.1-1ubuntu1.4 |
| Ubuntu Pro 14.04 LTS | exim4 | no fix |
| Ubuntu Pro 16.04 LTS | exim4 | no fix |
| Ubuntu Pro 18.04 LTS | exim4 | no fix |
| Ubuntu Pro 20.04 LTS | exim4 | no fix |
| Wolfi | exim | 4.99.5-r0 |
| Wolfi | exim-cdb | 4.99.5-r0 |
| Wolfi | exim-dbmdb | 4.99.5-r0 |
| Wolfi | exim-dnsdb | 4.99.5-r0 |
| Wolfi | exim-doc | 4.99.5-r0 |
| Wolfi | exim-mysql | 4.99.5-r0 |
| Wolfi | exim-pgsql | 4.99.5-r0 |
| Wolfi | exim-scripts | 4.99.5-r0 |
| Wolfi | exim-sqlite | 4.99.5-r0 |
| Wolfi | exim-utils | 4.99.5-r0 |