Alpine: multiple avahi packages, py3-avahi: security update to 0.7-r1

critical Tenable Cloud Security Plugin ID 435804

Description

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

- avahi-daemon in Avahi through 0.6.32 and 0.7 inadvertently responds to IPv6 unicast queries with source
addresses that are not on-link, which allows remote attackers to cause a denial of service (traffic
amplification) and may cause information leakage by obtaining potentially sensitive information from the
responding device via port-5353 UDP packets. NOTE: this may overlap CVE-2015-2809. (CVE-2017-6519)

Plugin Details

Severity: Critical

ID: 435804

Version: Revision 1.2

Type: Local

Family: Alpine Linux Local Security Checks

Published: 10/28/2025

Updated: 11/4/2025

Supported Sensors: Agentless Assessment

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.04

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5

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

CVSS Score Source: CVE-2017-6519

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 8.2

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/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: 7/17/2019

Vulnerability Publication Date: 3/3/2015

Reference Information

CVE: CVE-2017-6519

BID: 106782

Detections

Analytics