USN-8339-1: OpenJDK 25 vulnerabilities

USN-8339-1: OpenJDK 25 vulnerabilities

https://ubuntu.com/security/notices/rss.xml / Thu, 05/28/2026 - 23:26
Thomas Beckers discovered that the JAXP component of OpenJDK 25 did not correctly authenticate certain APIs. A remote unauthenticated attacker could possibly use this issue to gain unauthorized access to sensitive information. (CVE-2026-22016) It was discovered that the Networking component of OpenJDK 25 did not correctly authenticate certain APIs. A remote unauthenticated attacker could possibly use this issue to cause a denial of service. (CVE-2026-34282) It was discovered that the JSSE component of OpenJDK 25 did not correctly authenticate certain APIs. A remote unauthenticated attacker could possibly use this issue to cause a denial of service. (CVE-2026-22021) It was discovered that the JGSS component of OpenJDK 25 did not correctly authenticate certain APIs. A remote attacker could possibly use this issue to obtain sensitive information. (CVE-2026-22013) It was discovered that the 2D component of OpenJDK 25 did not correctly handle certain integer arithmetic. If a user or automated system were tricked into opening a specially crafted file, an attacker could possibly use this issue to obtain sensitive information. (CVE-2026-23865) It was discovered that the Libraries component of OpenJDK 25 did not correctly authenticate certain APIs. A remote unauthenticated attacker could possibly use this issue to modify data. (CVE-2026-22008) It was discovered that the Libraries component of OpenJDK 25 did not correctly authenticate certain APIs. A remote unauthenticated attacker could possibly use this issue to cause a denial of service. (CVE-2026-22018) Ken Pyle discovered that the Security component of OpenJDK 25 did not correctly authenticate certain APIs. A local attacker could possibly use this issue to obtain sensitive information. (CVE-2026-22007, CVE-2026-34268) In addition to security fixes, the updated packages contain bug fixes, new features, and possibly incompatible changes. Please see the following for more information: https://openjdk.org/groups/vulnerability/advisories/2026-04-21

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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.