CVE-2023-29323

High

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.

SeverityHigh

CVSS7.8

Exploit probability—

ProductOpensmtpd

PublishedApr 4, 2023

First seenApr 4, 2023

How to fix

Update

opensmtpd opensmtpd7.0.0 or later

Vendor advisories

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

Affected products

Product	Affected versions	Fixed in
opensmtpd opensmtpd	v < 7.0.0	7.0.0
openbsd openbsd	7.1, 7.2	—

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