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openbsd opensmtpd vulnerabilities and exploits
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CVE-2023-29323
ascii_load_sockaddr in smtpd in OpenBSD prior to 7.1 errata 024 and 7.2 before errata 020, and OpenSMTPD Portable prior to 7.0.0-portable commit f748277, can abort upon a connection from a local, scoped IPv6 address.
Openbsd Openbsd 7.2
Opensmtpd Opensmtpd
Openbsd Openbsd 7.1
5
CVSSv2
CVE-2013-2125
OpenSMTPD prior to 5.3.2 does not properly handle SSL sessions, which allows remote malicious users to cause a denial of service (connection blocking) by keeping a connection open.
Openbsd Opensmtpd
7.5
CVSSv2
CVE-2015-7687
Use-after-free vulnerability in OpenSMTPD prior to 5.7.2 allows remote malicious users to cause a denial of service (crash) or execute arbitrary code via vectors involving req_ca_vrfy_smtp and req_ca_vrfy_mta.
Openbsd Opensmtpd
Fedoraproject Fedora 22
Fedoraproject Fedora 23
10
CVSSv2
CVE-2020-7247
smtp_mailaddr in smtp_session.c in OpenSMTPD 6.6, as used in OpenBSD 6.6 and other products, allows remote malicious users to execute arbitrary commands as root via a crafted SMTP session, as demonstrated by shell metacharacters in a MAIL FROM field. This affects the "uncomm...
Openbsd Opensmtpd 6.6
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Fedoraproject Fedora 32
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
9 Github repositories
1 Article
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2023-21991
CVE-2024-32674
path traversal
CVE-2023-21987
denial of service
dos
CVE-2024-4647
CVE-2024-25519
CVE-2024-33612
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