Integer Underflow Affecting popt package, versions *


Severity

Recommended
0.0
low
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.13% (3rd percentile)

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  • Snyk IDSNYK-CENTOS10-POPT-18562580
  • published6 Aug 2026
  • disclosed5 Aug 2026

Introduced: 5 Aug 2026

CVE-2026-18839  (opens in a new tab)
CWE-191  (opens in a new tab)

How to fix?

There is no fixed version for Centos:10 popt.

NVD Description

Note: Versions mentioned in the description apply only to the upstream popt package and not the popt package as distributed by Centos. See How to fix? for Centos:10 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1