OP
Product
Opensmtpd
by Opensmtpd · last CVE Nov 20, 2025
6
CVEs
0
On KEV
9.8
Max CVSS
0
New 30D
Severity mix
Critical 1High 3Medium 2Low 0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2023-29323
7.8
0%
Apr 4
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…
Affected: before 7.0.0
CVE-2020-35680
7.5
4%
Dec 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 daemon crash) via a…
Affected: before 6.8.0; 6.8.0; 6.8.0
CVE-2020-35679
7.5
3%
Dec 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 instance that…
Affected: before 6.8.0; 6.8.0; 6.8.0
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