This update for java-1_8_0-openjdk to version jdk8u252 fixes the following issues: - CVE-2020-2754: Forward references to Nashorn - CVE-2020-2755: Improve Nashorn matching - CVE-2020-2756: Better mapping of serial ENUMs - CVE-2020-2757: Less Blocking Array Queues - CVE-2020-2773: Better signatures in XML - CVE-2020-2781: Improve TLS session handling - CVE-2020-2800: Better Headings for HTTP Servers - CVE-2020-2803: Enhance buffering of byte buffers - CVE-2020-2805: Enhance typing of methods - CVE-2020-2830: Better Scanner conversions - Ignore whitespaces after the header or footer in PEM X.509 cert