Vulnerability · Published Nov 21, 2024 · Assigned by redhat

CVE-2024-52615Avahi: avahi wide-area dns uses constant source port

Medium 5.3

In plain English

A medium-severity weak randomness 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 0.6% (higher than 50% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.6%top 50.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:10avahi0.9~rc2-1.el10_0.1ALSA-2025:16441
AlmaLinux:10avahi-compat-howl0.9~rc2-1.el10_0.1ALSA-2025:16441
AlmaLinux:10avahi-compat-howl-devel0.9~rc2-1.el10_0.1ALSA-2025:16441
AlmaLinux:10avahi-compat-libdns_sd0.9~rc2-1.el10_0.1ALSA-2025:16441
AlmaLinux:10avahi-compat-libdns_sd-devel0.9~rc2-1.el10_0.1ALSA-2025:16441
AlmaLinux:10avahi-devel0.9~rc2-1.el10_0.1ALSA-2025:16441
AlmaLinux:10avahi-glib0.9~rc2-1.el10_0.1ALSA-2025:16441
AlmaLinux:10avahi-glib-devel0.9~rc2-1.el10_0.1ALSA-2025:16441
AlmaLinux:10avahi-libs0.9~rc2-1.el10_0.1ALSA-2025:16441
AlmaLinux:10avahi-tools0.9~rc2-1.el10_0.1ALSA-2025:16441
Alpine:v3.22avahi0.8-r21ALPINE-CVE-2024-52615
Alpine:v3.23avahi0.8-r21ALPINE-CVE-2024-52615
Alpine:v3.24avahi0.8-r21ALPINE-CVE-2024-52615
Debian:12avahino fix listedDEBIAN-CVE-2024-52615
Debian:13avahino fix listedDEBIAN-CVE-2024-52615
Debian:14avahino fix listedDEBIAN-CVE-2024-52615
Rocky Linux:10avahi0:0.9~rc2-1.el10_0.1RLSA-2025:16441
Rocky Linux:9avahi0:0.8-22.el9_6.1RLSA-2025:11402
Ubuntu:22.04:LTSavahino fix listedUBUNTU-CVE-2024-52615
Ubuntu:24.04:LTSavahino fix listedUBUNTU-CVE-2024-52615
Ubuntu:25.10avahino fix listedUBUNTU-CVE-2024-52615

Affected products (as reported)

VendorProductVersions
avahi avahi 0 – before 0.9-rc3
Red Hat Red Hat Enterprise Linux 10 see references
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-330 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References