AUGUST 14, 2026
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Case File

CVE-2026-18839

LOW · CVSS 2.2 EPSS 0.08%

Source: NVD + CISA KEV + EPSS · Published 2026-08-05 · Last synced 2026-08-14

CyberRota Analysis

AI-Generated

The popt library is vulnerable due to an integer underflow that occurs when formatting help text for option tables that exceed terminal width. This flaw allows a local user to potentially crash the application or prevent help text from displaying, leading to a denial of service. Developers and system administrators using applications that rely on the popt library should prioritize addressing this vulnerability to mitigate potential disruptions.

CVE
CVE-2026-18839
Severity
LOW
CVSS
2.2
EPSS
0.08%

Original NVD Description

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.