Ubuntu Security Notice USN-6527-1

Ubuntu Security Notice 6527-1 - Carter Kozak discovered that OpenJDK, when compiling with AVX-512 instruction support enabled, could produce code that resulted in memory corruption in certain situations. An attacker targeting applications built in this way could possibly use this to cause a denial of service or execute arbitrary code. In Ubuntu, OpenJDK defaults to not using AVX-512 instructions. It was discovered that OpenJDK did not properly perform PKIX certification path validation in certain situations. An attacker could use this …

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