Detections
Analytics

Alpine: multiple knot-resolver packages: security update to 4.3.0-r0

high Tenable Self-Hosted Container Security Plugin ID 405081

Description

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

 - knot-resolver before version 4.3.0 is vulnerable to denial of service through high CPU utilization. DNS
 replies with very many resource records might be processed very inefficiently, in extreme cases taking
 even several CPU seconds for each such uncached message. For example, a few thousand A records can be
 squashed into one DNS message (limit is 64kB). (CVE-2019-19331)

See Also

https://security.alpinelinux.org/vuln/CVE-2019-19331

Plugin Details

Severity: High

ID: 405081

Version: Revision 1.27

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: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2019-19331

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/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: 12/4/2019

Reference Information

CVE: CVE-2019-19331