What is CVE-2026-18839?
An integer underflow vulnerability in the popt library can cause applications to crash when formatting help text, leading to a local denial of service. Affected systems should update the library to mitigate the risk.
Azərbaycanca: popt kitabxanasında tapılan 'integer underflow' zəifliyi, yardım mətnini formatlayarkən proqramın çökməsinə səbəb ola bilər. Bu, yerli istifadəçiyə xidmət rəddi (DoS) həyata keçirmək imkanı verir. Təsirlənmiş sistemlərdə kitabxananı yeniləmək tövsiyə olunur.
Related CVEs
link basis: same weakness class CWE-190
FAQ2
In which library was CVE-2026-18839 discovered and what is its potential impact?
The vulnerability is in the popt library. An integer underflow occurring when formatting help text can cause applications to crash, resulting in a local denial of service (DoS).
What should be done to mitigate CVE-2026-18839?
It is recommended to update the popt library to the latest version on affected systems.
See also6
This explainer is AI-written from source data — skopnix's own reporting on this CVE; CVSS scores, vendors and versions are never invented. See NVD for the official record.