Detections
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Echo: avahi: security update to 0.8-16+e7

medium Tenable Cloud Security Plugin ID 458090

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. Prior to version 0.9-rc4, any unprivileged local user can crash avahi-daemon by sending a single
 D-Bus method call with conflicting publish flags. This issue has been patched in version 0.9-rc4.
 (CVE-2026-34933)

Solution

Update the avahi library and its related packages to version 0.8-16+e7 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-34933

Plugin Details

Severity: Medium

ID: 458090

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.76

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.6

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

CVSS Score Source: CVE-2026-34933

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

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:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/4/2026

Vulnerability Publication Date: 4/3/2026

Reference Information

CVE: CVE-2026-34933