Detections
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Echo: avahi: security update to 0.8-16+e3

medium Tenable Cloud Security Plugin ID 458021

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, avahi-daemon can be crashed by sending unsolicited announcements containing
 CNAME resource records pointing it to resource records with short TTLs. As soon as they expire avahi-
 daemon crashes. (CVE-2025-68468)

Solution

Update the avahi library and its related packages to version 0.8-16+e3 or later.

See Also

https://advisory.echohq.com/cve/CVE-2025-68468

Plugin Details

Severity: Medium

ID: 458021

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.41

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2025-68468

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/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-2025-68468