Opensmtpd vulnerabilities

Products

• Opensmtpd 6

Newest

• opensmtpd, opensuse tumbleweed, suse opensuse tumbleweed +2 more Local DoS in OpenSMTPD via UNIX domain socket smtpd.sock CVE-2025-62875 Fix available 6.9 MediumNovember 4, 2025
• openbsd, opensmtpd +1 more ascii_load_sockaddr in smtpd in OpenBSD before 7.1 errata 024 and 7.2 before errata 020, and... CVE-2023-29323 Fix available 7.8 HighApril 4, 2023
• opensmtpd, fedoraproject fedora +1 more smtpd/table.c in OpenSMTPD before 6.8.0p1 lacks a certain regfree, which might allow attackers to... CVE-2020-35679 Fix available 7.5 HighDecember 24, 2020
• opensmtpd, fedoraproject fedora +1 more smtpd/lka_filter.c in OpenSMTPD before 6.8.0p1, in certain configurations, allows remote... CVE-2020-35680 Fix available 7.5 HighDecember 24, 2020
• opensmtpd, canonical ubuntu linux, debian linux +1 more +3 more OpenSMTPD before 6.6.4 allows remote code execution because of an out-of-bounds read in mta_io in... CVE-2020-8794 Public exploitFix available EPSS 88.9% 9.8 CriticalFebruary 25, 2020
• opensmtpd, canonical ubuntu linux, fedoraproject fedora +2 more OpenSMTPD before 6.6.4 allows local users to read arbitrary files (e.g., on some Linux... CVE-2020-8793 Public exploitFix available 4.7 MediumFebruary 25, 2020