CVE-2026-18839 - Popt-devel: popt-static: size_t underflow in singleoptionhelp

CVE-2026-18839 - Popt-devel: popt-static: size_t underflow in singleoptionhelp

https://cvefeed.io/rssfeed/latest.atom / Thu, 08/06/2026 - 01:09
CVE ID :CVE-2026-18839
Published : Aug. 5, 2026, 9:16 p.m. | 1 hour, 38 minutes ago
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.
Severity: 2.2 | LOW
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Kenya Education Network CERT(KENET-CERT) is a Cybersecurity Emergency Response Team and Co-ordination Center operated by the National Research and Education Network of Kenya. KENET-CERT coordination center promotes awareness on cybersecurity incidences as well as coordinates and assists member institutions in responding effectively to cyber security threats and incidences. KENET-CERT works closely with Kenya's National CIRT coordination center (CIRT/CC) as a sector CIRT for the academic institutions. KENET promotes use of ICT in Teaching, Learning and Research in Higher Education Institutions in Kenya. KENET aims to interconnect all the Universities, Tertiary and Research Institutions in Kenya by setting up a cost effective and sustainable private network with high speed access to the global Internet. KENET also facilitates electronic communication among students and faculties in member institutions, share learning and teaching resources by collaboration in Research and Development of Educational content.