opensmtpd: OpenSMTPD before 6.6.4 allows local users to read arbitrary files (e.g., onsome Linux distributions) because of a com...
CVE-2020-8793 is fixed in opensmtpd on 1 platform, first by opensmtpd 6.0.3p1-1ubuntu0.2, released February 25, 2020. It is not reported as exploited. Patch Radar priority: Routine.
OpenSMTPD before 6.6.4 allows local users to read arbitrary files (e.g., onsome Linux distributions) because of a combination of an untrusted searchpath in makemap.c and race conditions in the offline functionality insmtpd.c.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| opensmtpd · Ubuntu 18.04.6 LTS (bionic) | 6.0.3p1-1ubuntu0.2 | opensmtpd 6.0.3p1-1ubuntu0.2 | Feb 25, 2020 |
| opensmtpd · Ubuntu 20.04 LTS (focal) | 6.6.4p1-1 | opensmtpd 6.6.4p1-1 | Feb 25, 2020 |
| opensmtpd · Ubuntu 24.10 (oracular) | 6.6.4p1-1 | opensmtpd 6.6.4p1-1 | Jan 16, 2026 |
| opensmtpd · Ubuntu 25.04 (plucky) | 6.6.4p1-1 | opensmtpd 6.6.4p1-1 | Jan 16, 2026 |
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