Multiple vulnerabilities in OpenJDK 8 components, including JAXP, JSSE, JGSS, 2D, Libraries, and Security, allow for unauthorized information disclosure or denial of service via API authentication failures and integer arithmetic flaws. The most severe issue, CVE-2026-22016 in the JAXP component, has a CVSS score of 7.5 (HIGH) and affects Oracle JRE versions including 1.8.0, 11.0.30, and 17.0.18. Organizations should apply the security update referenced in USN-8330-1 and review the OpenJDK advisory for specific patched versions and potential breaking changes.
Thomas Beckers discovered that the JAXP component of OpenJDK 8 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 JSSE component of OpenJDK 8 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 8 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 8 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 leak sensitive information. (CVE-2026-23865) It was discovered that the Libraries component of OpenJDK 8 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 8 did not correctly authenticate certain APIs. A local attacker could possibly use this issue to leak 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