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Fencer Vulns
medium 5.3

CVE-2024-52615 json

Avahi: avahi wide-area dns uses constant source port

published 2024-11-21 23 mo ago modified 2026-11-05 4 d ago also EUVD-2024-46028

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 50%
public exploits
0
none known

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.

Patch / fix

  • avahi avahi 0.9-rc3
  • Red Hat Red Hat Enterprise Linux 10 0:0.9~rc2-1.el10_0.1
  • Red Hat Red Hat Enterprise Linux 9 0:0.8-22.el9_6.1
  • avahi RHEL 10.0 0.9~rc2-1.el10_0.1
  • avahi-glib RHEL 10.0 0.9~rc2-1.el10_0.1
  • avahi-libs RHEL 10.0 0.9~rc2-1.el10_0.1
  • avahi-tools RHEL 10.0 0.9~rc2-1.el10_0.1
  • avahi-compat-howl RHEL 10.0 0.9~rc2-1.el10_0.1
  • avahi-compat-libdns_sd RHEL 10.0 0.9~rc2-1.el10_0.1
  • avahi RHEL 9 0.8-22.el9_6.1
  • avahi-glib RHEL 9 0.8-22.el9_6.1

red hat advisories RHSA-2025:16441RHSA-2025:11402

  • avahi Linux Micro 6.0 0.8-7.1
  • avahi Linux Micro 6.1 0.8-slfo.1.1_4.1
  • avahi SLES 16.0, Linux Micro 6.2, SLES for SAP applications 16.0 0.8-160000.3.1
  • avahi-glib2 SLES for SAP applications 16.0, SLES 16.0 0.8-160000.3.1
  • avahi SLE Module for Package Hub 15 SP7, SLE Module for Package Hub 15 SP6, SLE Module for Desktop Applications 15 SP7 +4 more 0.8-150600.15.9.1
  • avahi-qt5 openSUSE Leap 15.6 0.8-150600.15.9.1
  • avahi-glib2 SLE Module for Desktop Applications 15 SP7, SLE Module for Desktop Applications 15 SP6, SLE Module for Basesystem 15 SP7 +2 more 0.8-150600.15.9.1
  • avahi SLE Micro 5.5, SLE Micro 5.4, SLE Micro 5.3 0.8-150400.7.23.1

suse advisories SUSE-SU-2026:20525-1SUSE-SU-2026:20491-1SUSE-SU-2026:20027-1SUSE-SU-2026:20070-1SUSE-SU-2025:03333-1SUSE-SU-2025:03332-1

  • avahi openSUSE Leap 16.0 0.8-160000.3.1
  • avahi-qt6 openSUSE Leap 16.0 0.8-160000.3.1
  • avahi-glib2 openSUSE Leap 16.0 0.8-160000.3.1
  • avahi openSUSE Tumbleweed 0.8-40.1

opensuse advisories openSUSE-SU-2026:20013-1openSUSE-SU-2025:15575-1

  • avahi AlmaLinux 10 0.9~rc2-1.el10_0.1
  • avahi-glib AlmaLinux 10 0.9~rc2-1.el10_0.1
  • avahi-libs AlmaLinux 10 0.9~rc2-1.el10_0.1
  • avahi-tools AlmaLinux 10 0.9~rc2-1.el10_0.1
  • avahi-compat-howl AlmaLinux 10 0.9~rc2-1.el10_0.1
  • avahi-compat-libdns_sd AlmaLinux 10 0.9~rc2-1.el10_0.1

almalinux advisories ALSA-2025:16441

  • avahi Rocky Linux 9 0.8-22.el9_6.1
  • avahi Rocky Linux 10 0.9~rc2-1.el10_0.1

rocky linux advisories RLSA-2025:11402RLSA-2025:16441

  • avahi Alpine 3.24, Alpine 3.23, Alpine 3.22 0.8-r21

alpine advisories ALPINE-CVE-2024-52615

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • avahi Azure Linux 3.0 0.8-9

azure linux advisories AZL-108021

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2024-52615 updated cvss 5.3

avahi: Avahi Wide-Area DNS Uses Constant Source Port

  • Red Hat Enterprise Linux 7 avahi, avahi-ui, avahi-qt3, avahi-qt4, avahi-glib, avahi-libs, +8 more
    affected: workaround, no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 8 avahi, avahi-ui, avahi-glib, avahi-libs, avahi-tools, avahi-autoipd, +5 more
    affected: workaround, no fix planned “Will not fix”
  • Red Hat OpenShift Container Platform 4 openshift/ose-rhel-coreos-9
    affected: workaround, no fix available “Fix deferred”
  • Red Hat Enterprise Linux AppStream (v. 9) avahi-glib 0.8-22.el9_6.1, avahi-tools 0.8-22.el9_6.1, avahi-autoipd 0.8-22.el9_6.1
    fixed: vendor fix RHSA-2025:11402
  • Red Hat Enterprise Linux AppStream (v. 10) avahi-glib 0.9~rc2-1.el10_0.1, avahi-tools 0.9~rc2-1.el10_0.1
    fixed: vendor fix RHSA-2025:16441
  • Red Hat Enterprise Linux BaseOS (v. 9) avahi 0.8-22.el9_6.1, avahi-libs 0.8-22.el9_6.1
    fixed: vendor fix RHSA-2025:11402
  • Red Hat Enterprise Linux BaseOS (v. 10) avahi 0.9~rc2-1.el10_0.1, avahi-libs 0.9~rc2-1.el10_0.1
    fixed: vendor fix RHSA-2025:16441
  • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) avahi-gobject 0.8-22.el9_6.1, avahi-compat-howl 0.8-22.el9_6.1, avahi-compat-libdns_sd 0.8-22.el9_6.1
    fixed: vendor fix RHSA-2025:11402
show 1 more
  • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) avahi-compat-howl 0.9~rc2-1.el10_0.1, avahi-compat-libdns_sd 0.9~rc2-1.el10_0.1
    fixed: vendor fix RHSA-2025:16441

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
23 mo ago

Exploit prediction

0.62% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Affected products

  • avahi avahi
  • Red Hat Red Hat Enterprise Linux 10
  • Red Hat Red Hat Enterprise Linux 9
  • Red Hat Red Hat Enterprise Linux 7
  • Red Hat Red Hat Enterprise Linux 8
  • Red Hat Red Hat OpenShift Container Platform 4

Classification

Weakness
  • CWE-330 Use of Insufficiently Random Values

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.