Vulnerability · Published Nov 21, 2024 · Assigned by redhat

CVE-2024-52616Avahi: avahi wide-area dns predictable transaction ids

Medium 5.3

In plain English

A medium-severity security flaw in avahi from avahi. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.7%top 45.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:9avahi0.8-22.el9_6ALSA-2025:7437
AlmaLinux:9avahi-autoipd0.8-22.el9_6ALSA-2025:7437
AlmaLinux:9avahi-compat-howl0.8-22.el9_6ALSA-2025:7437
AlmaLinux:9avahi-compat-howl-devel0.8-22.el9_6ALSA-2025:7437
AlmaLinux:9avahi-compat-libdns_sd0.8-22.el9_6ALSA-2025:7437
AlmaLinux:9avahi-compat-libdns_sd-devel0.8-22.el9_6ALSA-2025:7437
AlmaLinux:9avahi-devel0.8-22.el9_6ALSA-2025:7437
AlmaLinux:9avahi-glib0.8-22.el9_6ALSA-2025:7437
AlmaLinux:9avahi-glib-devel0.8-22.el9_6ALSA-2025:7437
AlmaLinux:9avahi-gobject0.8-22.el9_6ALSA-2025:7437
AlmaLinux:9avahi-gobject-devel0.8-22.el9_6ALSA-2025:7437
AlmaLinux:9avahi-libs0.8-22.el9_6ALSA-2025:7437
AlmaLinux:9avahi-tools0.8-22.el9_6ALSA-2025:7437
Alpine:v3.22avahi0.8-r21ALPINE-CVE-2024-52616
Alpine:v3.23avahi0.8-r21ALPINE-CVE-2024-52616
Alpine:v3.24avahi0.8-r21ALPINE-CVE-2024-52616
Debian:12avahino fix listedDEBIAN-CVE-2024-52616
Debian:13avahino fix listedDEBIAN-CVE-2024-52616
Debian:14avahi0.8-18DEBIAN-CVE-2024-52616
Rocky Linux:9avahi0:0.8-22.el9_6RLSA-2025:7437
Ubuntu:22.04:LTSavahino fix listedUBUNTU-CVE-2024-52616
Ubuntu:24.04:LTSavahino fix listedUBUNTU-CVE-2024-52616
Ubuntu:25.10avahino fix listedUBUNTU-CVE-2024-52616

Affected products (as reported)

VendorProductVersions
avahi avahi 0 – before 0.9-rc2
Red Hat Red Hat Enterprise Linux 9 see references
Red Hat Red Hat Enterprise Linux 9 see references
Red Hat Red Hat Enterprise Linux 7 see references
Red Hat Red Hat Enterprise Linux 8 see references
Red Hat Red Hat OpenShift Container Platform 4 see references

Weakness: CWE-334 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References