Ubuntu Security Update USN-5719-1: OpenJDK vulnerabilities

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It was discovered that OpenJDK incorrectly handled long client hostnames. An attacker could possibly use this issue to cause the corruption of sensitive information. (CVE-2022-21619) It was discovered that OpenJDK incorrectly randomized DNS port numbers. A remote attacker could possibly use this issue to perform spoofing attacks. (CVE-2022-21624) It was discovered that OpenJDK did not limit the number of connections accepted from HTTP clients. An attacker could possibly use this issue to cause a denial of service. (CVE-2022-21628) It was discovered that OpenJDK incorrectly handled X.509 certificates. An attacker could possibly use this issue to cause a denial of service. This issue only affected OpenJDK 8 and OpenJDK 11. (CVE-2022-21626) It was discovered that OpenJDK incorrectly handled cached server connections. An attacker could possibly use this issue to perform spoofing attacks. This issue only affected OpenJDK 11, OpenJDK 17 and OpenJDK 19. (CVE-2022-39399) It was discovered that OpenJDK incorrectly handled byte conversions. An attacker could possibly use this issue to obtain sensitive information. This issue only affected OpenJDK 11, OpenJDK 17 and OpenJDK 19. (CVE-2022-21618)

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