Vulnerabilities > Opensmtpd
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2023-04-04 | CVE-2023-29323 | 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 upon a connection from a local, scoped IPv6 address. | 7.8 |
| 2020-12-24 | CVE-2020-35680 | NULL Pointer Dereference vulnerability in multiple products 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 daemon crash) via a crafted pattern of client activity, because the filter state machine does not properly maintain the I/O channel between the SMTP engine and the filters layer. | 7.5 |
| 2020-12-24 | CVE-2020-35679 | Memory Leak vulnerability in multiple products 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 instance that performs many regex lookups. | 7.5 |
| 2020-02-25 | CVE-2020-8794 | Out-of-bounds Read vulnerability in multiple products 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. | 9.8 |
| 2020-02-25 | CVE-2020-8793 | Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in multiple products 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 makemap.c and race conditions in the offline functionality in smtpd.c. | 4.7 |