USN-7950-1: Tornado vulnerabilities

USN-7950-1: Tornado vulnerabilities

https://ubuntu.com/security/notices/rss.xml / Thu, 01/08/2026 - 22:56
It was discovered that Tornado incorrectly handled special characters in HTTP headers. An attacker could possibly use this issue to execute a cross- site scripting (XSS) attack. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 25.04, and Ubuntu 25.10. (CVE-2025-67724) It was discovered that Tornado incorrectly handled repeated HTTP headers. An attacker could possibly use this issue to cause Tornado to use excessive resources, causing a denial of service. (CVE-2025-67725) It was discovered that Tornado incorrectly handled parsing of certain HTTP header values. An attacker could possibly use this issue to cause Tornado to use excessive resources, causing a denial of service. (CVE-2025-67726)

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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.