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.
References (10)
Core 10
Core References
Product
https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.49&r2=1.49.4.1&f=h
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
Product
https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.50&r2=1.51&f=h
Vendor Advisory
https://security.netapp.com/advisory/ntap-20230526-0006/
Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/GZBNQBHCM6PIOUR6I5GEQS35XYT2NX6T/
Mailing List, Third Party Advisory vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GZBNQBHCM6PIOUR6I5GEQS35XYT2NX6T/
Scores
CVSS v3
7.8
EPSS
0.0006
EPSS Percentile
19.2%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
Status
published
Products (3)
openbsd/openbsd
7.1
openbsd/openbsd
7.2
opensmtpd/opensmtpd
< 7.0.0
Published
Apr 04, 2023
Tracked Since
Feb 18, 2026