CVE-2026-18839

ADVISORY - nist

Summary

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.

Common Weakness Enumeration (CWE)

ADVISORY - nist

CWE-191⁠

Integer Underflow (Wrap or Wraparound)

ADVISORY - redhat

CWE-191⁠

Integer Underflow (Wrap or Wraparound)

Impacted images

Advisories

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