Detections
Analytics
CVE-2026-18839
low
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.
References
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-53642
https://bugzilla.redhat.com/show_bug.cgi?id=2511010