exim4: Exim before 4.99.5 allows directory traversal to access files outside of the spool area, and consequently gain privil...
CVE-2026-66140 is fixed in 6 products on 1 platform, first by exim4 4.99.1-1ubuntu1.4, released July 23, 2026. It is not reported as exploited. Patch Radar priority: High.
Exim before 4.99.5 allows directory traversal to access files outside of the spool area, and consequently gain privileges, because arguments related to queue-name are mishandled.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| exim4 · Debian 13.5 (trixie) | 4.98.2-1+deb13u4 | DEBIAN-CVE-2026-66140 | Jul 25, 2026 |
| exim4 · Debian 14 | 4.99.4-2 | DEBIAN-CVE-2026-66140 | Jul 25, 2026 |
| exim4 · Ubuntu 22.04.1 LTS (jammy) | 4.95-4ubuntu2.11 | exim4 4.95-4ubuntu2.11 | Jul 31, 2026 |
| exim4 · Ubuntu 24.04.5 LTS (noble) | 4.97-4ubuntu4.7 | exim4 4.97-4ubuntu4.7 | Jul 31, 2026 |
| exim4 · Ubuntu 26.04.1 LTS (resolute) | 4.99.1-1ubuntu1.4 | exim4 4.99.1-1ubuntu1.4 | Jul 23, 2026 |
| exim4-base · Ubuntu 22.04.1 LTS (jammy) | 4.95-4ubuntu2.11 | exim4-base 4.95-4ubuntu2.11 | Jul 31, 2026 |
| exim4-base · Ubuntu 24.04.5 LTS (noble) | 4.97-4ubuntu4.7 | exim4-base 4.97-4ubuntu4.7 | Jul 31, 2026 |
| exim4-base · Ubuntu 26.04.1 LTS (resolute) | 4.99.1-1ubuntu1.4 | exim4-base 4.99.1-1ubuntu1.4 | Jul 23, 2026 |
| exim4-config · Ubuntu 22.04.1 LTS (jammy) | 4.95-4ubuntu2.11 | exim4-config 4.95-4ubuntu2.11 | Jul 31, 2026 |
| exim4-config · Ubuntu 24.04.5 LTS (noble) | 4.97-4ubuntu4.7 | exim4-config 4.97-4ubuntu4.7 | Jul 31, 2026 |
| exim4-config · Ubuntu 26.04.1 LTS (resolute) | 4.99.1-1ubuntu1.4 | exim4-config 4.99.1-1ubuntu1.4 | Jul 23, 2026 |
| exim4-daemon-heavy · Ubuntu 22.04.1 LTS (jammy) | 4.95-4ubuntu2.11 | exim4-daemon-heavy 4.95-4ubuntu2.11 | Jul 31, 2026 |
| exim4-daemon-heavy · Ubuntu 24.04.5 LTS (noble) | 4.97-4ubuntu4.7 | exim4-daemon-heavy 4.97-4ubuntu4.7 | Jul 31, 2026 |
| exim4-daemon-heavy · Ubuntu 26.04.1 LTS (resolute) | 4.99.1-1ubuntu1.4 | exim4-daemon-heavy 4.99.1-1ubuntu1.4 | Jul 23, 2026 |
| exim4-daemon-light · Ubuntu 22.04.1 LTS (jammy) | 4.95-4ubuntu2.11 | exim4-daemon-light 4.95-4ubuntu2.11 | Jul 31, 2026 |
| exim4-daemon-light · Ubuntu 24.04.5 LTS (noble) | 4.97-4ubuntu4.7 | exim4-daemon-light 4.97-4ubuntu4.7 | Jul 31, 2026 |
| exim4-daemon-light · Ubuntu 26.04.1 LTS (resolute) | 4.99.1-1ubuntu1.4 | exim4-daemon-light 4.99.1-1ubuntu1.4 | Jul 23, 2026 |
| eximon4 · Ubuntu 22.04.1 LTS (jammy) | 4.95-4ubuntu2.11 | eximon4 4.95-4ubuntu2.11 | Jul 31, 2026 |
| eximon4 · Ubuntu 24.04.5 LTS (noble) | 4.97-4ubuntu4.7 | eximon4 4.97-4ubuntu4.7 | Jul 31, 2026 |
| eximon4 · Ubuntu 26.04.1 LTS (resolute) | 4.99.1-1ubuntu1.4 | eximon4 4.99.1-1ubuntu1.4 | Jul 23, 2026 |
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