CVE-2023-29323

7.8 HIGH

Published: April 04, 2023 Modified: November 04, 2025

Description

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.49&r2=1.49.4.1&f=h

Source: cve@mitre.org

Product

https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.50&r2=1.50.4.1&f=h

Source: cve@mitre.org

Product

https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.50&r2=1.51&f=h

Source: cve@mitre.org

Product

https://ftp.openbsd.org/pub/OpenBSD/patches/7.1/common/024_smtpd.patch.sig

Source: cve@mitre.org

Patch

https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/020_smtpd.patch.sig

Source: cve@mitre.org

Patch

https://github.com/OpenSMTPD/OpenSMTPD/commit/41d0eae481f538956b1f1fbadfb535043454061f

Source: cve@mitre.org

Patch

https://github.com/openbsd/src/commit/f748277ed1fc7065ae8998d61ed78b9ab1e55fae

Source: cve@mitre.org

Patch

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GZBNQBHCM6PIOUR6I5GEQS35XYT2NX6T/

Source: cve@mitre.org

https://security.netapp.com/advisory/ntap-20230526-0006/

Source: cve@mitre.org

https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.49&r2=1.49.4.1&f=h