USN-7960-1: Rack vulnerabilities

USN-7960-1: Rack vulnerabilities

https://ubuntu.com/security/notices/rss.xml / Thu, 01/15/2026 - 10:57
It was discovered that Rack incorrectly handled certain query parameters. An attacker could possibly use this issue to cause a limited denial of service. This issue was only addressed in Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2025-59830) It was discovered that Rack did not properly handle certain multipart form data. An attacker could possibly use this issue to cause memory exhaustion, leading to a denial of service. This issue was only addressed in Ubuntu 22.04 LTS, Ubuntu 24.04 LTS and Ubuntu 25.10. (CVE-2025-61770, CVE-2025-61772) It was discovered that Rack did not properly handle certain form fields. An attacker could possibly use this issue to cause memory exhaustion, leading to a denial of service. This issue was only addressed in Ubuntu 22.04 LTS, Ubuntu 24.04 LTS and Ubuntu 25.10. (CVE-2025-61771) It was discovered that Rack did not properly handle certain headers. An attacker could possibly use this issue to bypass proxy access restrictions and obtain sensitive information. (CVE-2025-61780) Tomoya Yamashita discovered that Rack did not properly manage memory under certain circumstances. An attacker could possibly use this issue to cause memory exhaustion, leading to a denial of service. This issue was only addressed in Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS and Ubuntu 25.10. (CVE-2025-61919)

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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.