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CVE-2026-18839

2.2 low SSVC exploitation: none Awaiting Analysis
NVD · CVE.org

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.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 1

  1. First seenCVSS 2.2NVD modified 2026-10-08 15:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 3