USN-7893-1: Valkey vulnerabilities

USN-7893-1: Valkey vulnerabilities

https://ubuntu.com/security/notices/rss.xml / Wed, 11/26/2025 - 16:50
Benny Isaacs, Nir Brakha, and Sagi Tzadik discovered that Valkey incorrectly handled memory when running Lua scripts. An authenticated attacker could use this vulnerability to trigger a use-after-free condition, and potentially achieve remote code execution on the Valkey server. (CVE-2025-49844) It was discovered that Valkey incorrectly handled memory when running Lua scripts. An authenticated attacker could use this vulnerability to trigger a integer overflow condition, and potentially achieve remote code execution on the Valkey server. (CVE-2025-46817) It was discovered that Valkey incorrectly handled Lua objects. An authenticated attacker could possibly use this issue to escalate their privileges. (CVE-2025-46818) It was discovered that Valkey incorrectly handled memory when running Lua scripts. An authenticated attacker could use this vulnerability to read out-of-bounds memory, causing a denial of service or possibly obtaining sensitive information. (CVE-2025-46819) It was discovered that Valkey incorrectly handled memory in some calculations. An attacker could possibly use this issue to cause a denial of service. (CVE-2025-49112)

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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.