---
id: CVE-2024-52615
title: >-
  A flaw was found in Avahi-daemon, which relies on fixed source ports for
  wide-area DNS queries
summary: >-
  A flaw was found in Avahi-daemon, which relies on fixed source ports for
  wide-area DNS queries. This issue simplifies attacks where malicious DNS
  responses are injected.
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-330
published: '2024-11-21'
updated: '2026-06-25'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2024-52615'
references:
  - url: 'https://access.redhat.com/errata/RHSA-2025:11402'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2025:16441'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/security/cve/CVE-2024-52615'
    label: secalert@redhat.com
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2326418'
    label: secalert@redhat.com
  - url: 'https://github.com/avahi/avahi/pull/577'
    label: secalert@redhat.com
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-52615.json
  - url: 'https://www.cve.org/CVERecord?id=CVE-2024-52615'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2024-52615'
tags:
  - nvd
  - csaf
  - vex
  - red-hat
  - cve.org
epss: 0.00622
epssPercentile: 0.49617
ingestedAt: '2026-06-29T13:24:33.972Z'
vendor: Red Hat
product: Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
affected:
  - enterprise_linux 7
  - enterprise_linux 8
  - openshift_container_platform 4
  - enterprise_linux_appstream_v_10
  - enterprise_linux_appstream_v_9
  - enterprise_linux_baseos_v_10
  - enterprise_linux_baseos_v_9
  - enterprise_linux_codeready_linux_builder_v_10
  - enterprise_linux_codeready_linux_builder_v_9
patched:
  - enterprise_linux_appstream_v_10
  - enterprise_linux_appstream_v_9
  - enterprise_linux_baseos_v_10
  - enterprise_linux_baseos_v_9
  - enterprise_linux_codeready_linux_builder_v_10
  - enterprise_linux_codeready_linux_builder_v_9
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2024-11-21T21:06:27.515199Z'
---

## Overview

A flaw was found in Avahi-daemon, which relies on fixed source ports for wide-area DNS queries. This issue simplifies attacks where malicious DNS responses are injected.

## Remediation

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

## Vendor advisories

- **RHSA-2025:16441** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux BaseOS (v. 10), Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) · released 2025-09-23 · [advisory](https://access.redhat.com/errata/RHSA-2025:16441)
- **RHSA-2025:11402** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux BaseOS (v. 9), Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) · released 2025-07-21 · [advisory](https://access.redhat.com/errata/RHSA-2025:11402)
- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat OpenShift Container Platform 4 · updated 2026-10-13 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-52615.json)