CVE-2026-18839
2.2
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:L
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| rpm-software-management | popt | 1.13 < * | affected |
Weaknesses
- CWE-191: Integer Underflow (Wrap or Wraparound)
References
- https://access.redhat.com/security/cve/CVE-2026-18839
- https://bugzilla.redhat.com/show_bug.cgi?id=2511010
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