CVE-2023-29323
Publication date 4 April 2023
Last updated 11 July 2025
Ubuntu priority
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| opensmtpd | 26.04 LTS resolute |
Needs evaluation
|
| 25.10 questing |
Needs evaluation
|
|
| 24.04 LTS noble |
Needs evaluation
|
|
| 22.04 LTS jammy |
Vulnerable
|
|
| 20.04 LTS focal |
Vulnerable
|
|
| 18.04 LTS bionic |
Vulnerable
|
|
| 16.04 LTS xenial | Ignored end of standard support | |
| 14.04 LTS trusty |
Vulnerable
|
Severity score breakdown
CVSS version: CVSS v3.0
Base score
7.8 · High
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
Other references
- https://ftp.openbsd.org/pub/OpenBSD/patches/7.1/common/024_smtpd.patch.sig
- https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/020_smtpd.patch.sig
- https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.50&r2=1.51&f=h
- https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.50&r2=1.50.4.1&f=h
- https://github.com/OpenSMTPD/OpenSMTPD/commit/41d0eae481f538956b1f1fbadfb535043454061f
- https://github.com/OpenSMTPD/OpenSMTPD/blob/41d0eae481f538956b1f1fbadfb535043454061f/usr.sbin/smtpd/envelope.c#L280
- https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/envelope.c.diff?r1=1.49&r2=1.49.4.1&f=h
- https://www.cve.org/CVERecord?id=CVE-2023-29323