CVE-2026-18839
LOW
NVD
CVSS Score
2.2
Severity
LOW
Published
Aug 05, 2026
Vendor
unknown
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.