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CVE-2026-18839

Popt-devel: popt-static: size_t underflow in singleoptionhelp PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
rpm-software-management / poptaffected 1.13 before *
Red Hat / Red Hat Hardened Imagesunaffected 1.19-11.2.hum1 before *
Red Hat / Red Hat Enterprise Linux 10affected
Red Hat / Red Hat Enterprise Linux 6unknown
Red Hat / Red Hat Enterprise Linux 7affected
Red Hat / Red Hat Enterprise Linux 8affected
Red Hat / Red Hat Enterprise Linux 9affected
Red Hat / Red Hat OpenShift Container Platform 4affected
Red Hat / Red Hat OpenShift Container Platform 4affected

CWE

CWE-191

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.