Detections
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Echo: avahi: security update to 0.8-16+e5

medium Tenable Self-Hosted Container Security Plugin ID 458636

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol
 suite. In 0.9-rc2 and earlier, an unprivileged local users can crash avahi-daemon (with wide-area
 disabled) by creating record browsers with the AVAHI_LOOKUP_USE_WIDE_AREA flag set via D-Bus. This can be
 done by either calling the RecordBrowserNew method directly or creating hostname/address/service
 resolvers/browsers that create those browsers internally themselves. (CVE-2025-68276)

Solution

Update the avahi library and its related packages to version 0.8-16+e5 or later.

See Also

https://advisory.echohq.com/cve/CVE-2025-68276

Plugin Details

Severity: Medium

ID: 458636

Version: Revision 1.2

Type: Local

Published: 10/2/2026

Updated: 10/5/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.41

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

CVSS Score Source: CVE-2025-68276

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 1/13/2026

Vulnerability Publication Date: 1/12/2026

Reference Information

CVE: CVE-2025-68276