Ubuntu security notices
USN-5546-1: OpenJDK vulnerabilities
USN-5546-1: OpenJDK vulnerabilities Neil Madden discovered that OpenJDK did not properly verify ECDSA signatures. A remote attacker could possibly use this issue to insert, edit or obtain sensitive information. This issue only affected OpenJDK 17 and OpenJDK 18. (CVE-2022-21449) It was discovered that OpenJDK incorrectly limited memory when compiling a specially crafted XPath expression. An attacker could possibly use this issue to cause a denial of service. This issue was fixed in OpenJDK 8 and OpenJDK 18. USN-5388-1 and USN-5388-2 addressed this issue in OpenJDK 11 and OpenJDK 17. (CVE-2022-21426) It was discovered that OpenJDK incorrectly handled converting certain object arguments into their textual representations. An attacker could possibly use this issue to cause a denial of service. This issue was fixed in OpenJDK 8 and OpenJDK 18. USN-5388-1 and USN-5388-2 addressed this issue in OpenJDK 11 and OpenJDK 17. [ more… ]