---
id: CVE-2023-38470
title: Reachable assertion in avahi_escape_label
summary: >-
  A vulnerability was found in Avahi. A reachable assertion exists in the
  avahi_escape_label() function.
severity: medium
cvss: 6.2
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cvssSource: cna
cwe:
  - CWE-617
vendor: avahi
product: avahi
affected:
  - avahi < 0.9-rc1
  - avahi
  - avahi
  - avahi (all versions)
  - avahi (all versions)
  - avahi (all versions)
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2024-08-29T13:54:46.019977Z'
published: '2023-11-02'
updated: '2026-10-28'
sourceUpdated: '2026-10-28T16:43:04.077Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2023-38470'
references:
  - url: 'https://access.redhat.com/security/cve/CVE-2023-38470'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2191690'
    label: RHBZ#2191690
tags:
  - cve.org
epss: 0.0032
epssPercentile: 0.24858
ingestedAt: '2026-10-28T17:14:44.463Z'
---

## Overview

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

## Affected

- `avahi < 0.9-rc1`
- `avahi`
- `avahi`
- `avahi (all versions)`
- `avahi (all versions)`
- `avahi (all versions)`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.