Detections
Analytics

Echo: popt: security update to 1.19+dfsg-2+e1

low Tenable Self-Hosted Container Security Plugin ID 478665

Description

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

 - An integer underflow was found in the popt library when formatting help text for option tables that exceed
 the terminal width. A local user who can cause an application to print help under those conditions may
 cause that application to crash or fail to display help, resulting in a denial of service of the affected
 application. (CVE-2026-18839)

Solution

Update the popt library and its related packages to version 1.19+dfsg-2+e1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-18839

Plugin Details

Severity: Low

ID: 478665

Version: Revision 1.1

Type: Local

Published: 11/9/2026

Updated: 11/9/2026

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

CVSS v2

Risk Factor: Low

Base Score: 1

Temporal Score: 0.7

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

CVSS Score Source: CVE-2026-18839

CVSS v3

Risk Factor: Low

Base Score: 2.2

Temporal Score: 2

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 8/7/2026

Vulnerability Publication Date: 8/5/2026

Reference Information

CVE: CVE-2026-18839