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Echo: tcpdump: security update to 4.9.3

medium Tenable Self-Hosted Container Security Plugin ID 465960

Description

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

 - In tcpdump 4.9.2, a stack-based buffer over-read exists in the print_prefix function of print-hncp.c via
 crafted packet data because of missing initialization. (CVE-2018-19519)

Solution

Update the tcpdump library and its related packages to version 4.9.3 or later.

See Also

https://advisory.echohq.com/cve/CVE-2018-19519

Plugin Details

Severity: Medium

ID: 465960

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.4

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

CVSS Score Source: CVE-2018-19519

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/3/2026

Vulnerability Publication Date: 11/25/2018

Reference Information

CVE: CVE-2018-19519