USN-8108-1: Bouncy Castle vulnerabilities

USN-8108-1: Bouncy Castle vulnerabilities

https://ubuntu.com/security/notices/rss.xml / Wed, 03/18/2026 - 23:07
It was discovered that Bouncy Castle did not sanitize user input when inserting it into an LDAP search filter. An attacker could possibly use this issue to perform an LDAP injection attack. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. (CVE-2023-33201) It was discovered that Bouncy Castle incorrectly handled specially crafted F2m parameters in the ECCurve algorithm. An attacker could possibly use this issue to cause Bouncy Castle to use excessive resources, leading to a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 24.04 LTS. (CVE-2024-29857) It was discovered that Bouncy Castle leaked timing information when handling exceptions during an RSA handshake. An attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 24.04 LTS. (CVE-2024-30171) It was discovered that Bouncy Castle incorrectly handled endpoint identification with an SSL socket enabled without an explicit hostname. An attacker could possibly use this issue to perform a DNS poisoning attack. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 24.04 LTS. (CVE-2024-34447) Bing Shi discovered that Bouncy Castle incorrectly handled resource memory allocation. An attacker could possibly use this issue to cause Bouncy Castle to use excessive resources, leading to a denial of service. This issue only affected Ubuntu 24.04 LTS. (CVE-2025-8916)

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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.