Medium 6.2Published Nov 2, 2023

CVE-2023-38473Reachable assertion in avahi_alternative_host_name

Updated under an hour ago (Oct 29, 2026, 1:10 AM ET)

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It affects avahi and 2 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for avahi

Exploited in the last 30 days

A vulnerability was found in Avahi. A reachable assertion exists in the avahi_alternative_host_name() function.

CVSS: 6.2 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-617
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: redhat
NVD analysis: Modified
Record last updated: Oct 28, 2026
First seen by InfoSec Signals: Oct 28, 2026

Affected products

Affected products

avahi avahi avahi:avahi (from the name)	before 0.9-rc1	CNA record
Red Hat Red Hat Enterprise Linux 6 redhat:enterprise_linux	6	CNA record
Fedora Fedora fedora:fedora (from the name)	All versions	CNA record
avahi avahi avahi:avahi	before 0.9	NVD
redhat enterprise_linux redhat:enterprise_linux	8.0; 9.0	NVD

References

References

https://access.redhat.com/security/cve/CVE-2023-38473	vdb-entry, x-refsource-redhat, third-party-advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2191694	issue-tracking, x-refsource-redhat, third-party-advisory
https://lists.debian.org/debian-lts-announce/2024/12/msg00011.html

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.