Detections
Analytics
Alpine: multiple avahi packages, multiple py3-avahi packages: security update to 0.8-r5
medium Tenable Cloud Security Plugin ID 403606
Description
There are packages installed that are affected by a vulnerability referenced in the following CVE:- A flaw was found in avahi 0.8-5. A reachable assertion is present in avahi_s_host_name_resolver_start
function allowing a local attacker to crash the avahi service by requesting hostname resolutions through
the avahi socket or dbus methods for invalid hostnames. The highest threat from this vulnerability is to
the service availability. (CVE-2021-3502)
See Also
Plugin Details
Severity: Medium
ID: 403606
Version: Revision 1.29
Type: Local
Published: 10/31/2023
Updated: 7/2/2026
Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security
Risk Information
VPR
Risk Factor: Low
Score: 3
Percentile: 23.18
CVSS v2
Risk Factor: Low
Base Score: 2.1
Temporal Score: 1.6
Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:P
CVSS Score Source: CVE-2021-3502
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
Vulnerability Publication Date: 5/7/2021
Reference Information
CVE: CVE-2021-3502