Opensmtpd

opensmtpd

Vendor: Openbsd • 3 CVEs

CVEs (3)

CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS
CVE-2020-7247 4Canonical DebianFedoraproject+1 more 4Debian Linux FedoraOpensmtpd+1 more Jun 17, 2026 Jan 29, 2020 N/A· v4 9.8 CRITICAL· v3 10.0 HIGH· v2 smtp_mailaddr in smtp_session.c in OpenSMTPD 6.6, as used in OpenBSD 6.6 and other products, allows remote attackers to execute arbitrary commands as root via a crafted SMTP session, as demonstrated by shell metacharacte...Show more smtp_mailaddr in smtp_session.c in OpenSMTPD 6.6, as used in OpenBSD 6.6 and other products, allows remote attackers to execute arbitrary commands as root via a crafted SMTP session, as demonstrated by shell metacharacters in a MAIL FROM field. This affects the "uncommented" default configuration. The issue exists because of an incorrect return value upon failure of input validation.Show less
CVE-2015-7687 2Fedoraproject Openbsd 2Fedora Opensmtpd May 13, 2026 Oct 16, 2017 N/A· v4 9.8 CRITICAL· v3 7.5 HIGH· v2 Use-after-free vulnerability in OpenSMTPD before 5.7.2 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via vectors involving req_ca_vrfy_smtp and req_ca_vrfy_mta.
CVE-2013-2125 1Openbsd 1Opensmtpd May 6, 2026 May 27, 2014 N/A· v4 N/A· v3 5.0 MEDIUM· v2 OpenSMTPD before 5.3.2 does not properly handle SSL sessions, which allows remote attackers to cause a denial of service (connection blocking) by keeping a connection open.