---
id: CVE-2024-52616
title: >-
  A flaw was found in the Avahi-daemon, where it initializes DNS transaction IDs
  randomly only once at startup, incrementing them sequentially after that
summary: >-
  A flaw was found in the Avahi-daemon, where it initializes DNS transaction IDs
  randomly only once at startup, incrementing them sequentially after that. This
  predictable behavior facilitates DNS spoofing attacks, allowing attackers to
  gu…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'
cwe:
  - CWE-334
published: '2024-11-21'
updated: '2026-06-25'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2024-52616'
references:
  - url: 'https://access.redhat.com/errata/RHSA-2025:7437'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/security/cve/CVE-2024-52616'
    label: secalert@redhat.com
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2326429'
    label: secalert@redhat.com
  - url: 'https://github.com/avahi/avahi/pull/577'
    label: secalert@redhat.com
tags:
  - nvd
epss: 0.00666
epssPercentile: 0.49655
ingestedAt: '2026-06-29T13:24:33.973Z'
---

## Overview

A flaw was found in the Avahi-daemon, where it initializes DNS transaction IDs randomly only once at startup, incrementing them sequentially after that. This predictable behavior facilitates DNS spoofing attacks, allowing attackers to guess transaction IDs.

## Remediation

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