Opensmtpd Opensmtpd
6 CVEs affecting Opensmtpd Opensmtpd. Latest disclosed: 2025-11-20. Critical: 1, High: 3.
| CVE | Severity | Score | Published | Summary |
|---|---|---|---|---|
CVE-2020-8794 | Critical | 9.8 | 2020-02-25 | OpenSMTPD before 6.6.4 allows remote code execution because of an out-of-bounds read in mta_io in mta_session.c for multi-line replies. Although this vulnerabi… |
CVE-2023-29323 | High | 7.8 | 2023-04-04 | ascii_load_sockaddr in smtpd in OpenBSD before 7.1 errata 024 and 7.2 before errata 020, and OpenSMTPD Portable before 7.0.0-portable commit f748277, can abort… |
CVE-2020-35680 | High | 7.5 | 2020-12-24 | smtpd/lka_filter.c in OpenSMTPD before 6.8.0p1, in certain configurations, allows remote attackers to cause a denial of service (NULL pointer dereference and d… |
CVE-2020-35679 | High | 7.5 | 2020-12-24 | smtpd/table.c in OpenSMTPD before 6.8.0p1 lacks a certain regfree, which might allow attackers to trigger a "very significant" memory leak via messages to an i… |
CVE-2025-62875 | Medium | 5.5 | 2025-11-20 | An Improper Check for Unusual or Exceptional Conditions vulnerability in OpenSMTPD allows local users to crash OpenSMTPD. This issue affects openSUSE Tumbl… |
CVE-2020-8793 | Medium | 4.7 | 2020-02-25 | OpenSMTPD before 6.6.4 allows local users to read arbitrary files (e.g., on some Linux distributions) because of a combination of an untrusted search path in m… |