USN-7973-1: cJSON vulnerabilities

USN-7973-1: cJSON vulnerabilities

https://ubuntu.com/security/notices/rss.xml / Mon, 01/26/2026 - 10:59
It was discovered that cJSON incorrectly handled parsing large numbers. An attacker could possibly use this issue to cause a denial of service. (CVE-2023-26819) It was discovered that cJSON may perform out-of-bounds read when processing specially crafted JSON files using parse_object. An attacker could possibly use this issue to expose sensitive information or crash the program. (CVE-2023-53154) It was discovered that cJSON incorrectly validated array indices in JSON pointers, which could result in an out-of-bounds memory access. An attacker could possibly use this issue to cause a denial of service, or execute arbitrary code. (CVE-2025-57052)

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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.