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.
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Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Thu, 06 Aug 2026 14:30:00 +0000
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ssvc
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Thu, 06 Aug 2026 00:15:00 +0000
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threat_severity
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threat_severity
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Wed, 05 Aug 2026 21:15:00 +0000
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| 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. | |
| Title | Popt-devel: popt-static: size_t underflow in singleoptionhelp | |
| First Time appeared |
Redhat
Redhat enterprise Linux Redhat hummingbird Redhat openshift |
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| Weaknesses | CWE-191 | |
| CPEs | cpe:/a:redhat:hummingbird:1 cpe:/a:redhat:openshift:4 cpe:/o:redhat:enterprise_linux:10 cpe:/o:redhat:enterprise_linux:6 cpe:/o:redhat:enterprise_linux:7 cpe:/o:redhat:enterprise_linux:8 cpe:/o:redhat:enterprise_linux:9 |
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| Vendors & Products |
Redhat
Redhat enterprise Linux Redhat hummingbird Redhat openshift |
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| References |
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| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2026-08-06T13:34:06.418Z
Reserved: 2026-08-04T14:41:25.490Z
Link: CVE-2026-18839
Updated: 2026-08-06T13:34:01.199Z
No data.
OpenCVE Enrichment
Updated: 2026-08-05T22:30:05Z
Weaknesses