Descriptionascii_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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
Debian Bugs1034178

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
opensmtpd (PTS)buster, buster (security)6.0.3p1-5+deb10u4vulnerable
bookworm, sid6.8.0p2-4vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


[bookworm] - opensmtpd <no-dsa> (Minor issue)
[bullseye] - opensmtpd <no-dsa> (Minor issue)
[buster] - opensmtpd <no-dsa> (Minor issue)

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