A java-1.8.0-openjdk security update has been released for CentOS 6.

CentOS-announce: CESA-2020:4348 Moderate CentOS 6 java-1.8.0-openjdk Security Update

CentOS Errata and Security Advisory 2020:4348 Moderate

Upstream details at :   https://access.redhat.com/errata/RHSA-2020:4348

The following updated files have been uploaded and are currently
syncing to the mirrors: ( sha256sum Filename )

i386:
d6f1995389f355c6291086ed05cfa7a943175fc2db4fc614998a0a792a13978b java-1.8.0-openjdk-1.8.0.272.b10-0.el6_10.i686.rpm
1c679e4feeb281e86de6485e7c1d0d9876a0324ef20ffb10c49562257cbb38c9 java-1.8.0-openjdk-debug-1.8.0.272.b10-0.el6_10.i686.rpm
17907b3347b984f6d7b2a48d869889bc761e320f55200ad879f2600b029fd081 java-1.8.0-openjdk-demo-1.8.0.272.b10-0.el6_10.i686.rpm
63cf7fa5a0c8b2efc656abaa5ffa34b49bce61f3b438532d8fdacfef2ed19de1 java-1.8.0-openjdk-demo-debug-1.8.0.272.b10-0.el6_10.i686.rpm
902a8f2197e5b646323f94e4861f6663039f8908d14a514db2ca5a1df2b1ce9e java-1.8.0-openjdk-devel-1.8.0.272.b10-0.el6_10.i686.rpm
eaa4953f323d0056c9b1e7abd4d7cf7cc1c3e57f120294cdf4f42185fcae2759 java-1.8.0-openjdk-devel-debug-1.8.0.272.b10-0.el6_10.i686.rpm
b44b74493ee7c9b191179434ddcd64e0ea4d370084068ef04377f2fb7c7bd594 java-1.8.0-openjdk-headless-1.8.0.272.b10-0.el6_10.i686.rpm
498beb8ec88ab3442fce4293243448a833dbe7838733d2b15943a1876021bce5 java-1.8.0-openjdk-headless-debug-1.8.0.272.b10-0.el6_10.i686.rpm
934dafde9d638ea7f4be80af346353bae41f5da4f93f4e9790cf3acc1209568a java-1.8.0-openjdk-javadoc-1.8.0.272.b10-0.el6_10.noarch.rpm
9c442e876ad729790037fdbcd8b8dc9e3dd001f09798af0f5255de0cdca84dc0 java-1.8.0-openjdk-javadoc-debug-1.8.0.272.b10-0.el6_10.noarch.rpm
45b7eb3de69dcbf495215b7765cbe98c272ba573625edf3392478a736f7e9729 java-1.8.0-openjdk-src-1.8.0.272.b10-0.el6_10.i686.rpm
d0420495ed95d46e96352cdddc2e45562567b723b6ca4736e6bd38786f21d14d java-1.8.0-openjdk-src-debug-1.8.0.272.b10-0.el6_10.i686.rpm

x86_64:
1aee939598243dd6a4587cd5dc1e534135cccba73f48f9e0ad4d8294b8c74c1e java-1.8.0-openjdk-1.8.0.272.b10-0.el6_10.x86_64.rpm
62228500650393a9cae1c8bf84dd401d063bf4008bd249e3f10fc5e6647a37d2 java-1.8.0-openjdk-debug-1.8.0.272.b10-0.el6_10.x86_64.rpm
e4b2ebbf20219b870e76522851382efb08d22aa7ec725dda8aca5368302bd8de java-1.8.0-openjdk-demo-1.8.0.272.b10-0.el6_10.x86_64.rpm
334513c5a45c586372033f025df50423f3aedcada5c45f28ea5d14799db38cc7 java-1.8.0-openjdk-demo-debug-1.8.0.272.b10-0.el6_10.x86_64.rpm
93ac31af6e0f817200367b635555699d594a61c7275dc3882238b67659e48915 java-1.8.0-openjdk-devel-1.8.0.272.b10-0.el6_10.x86_64.rpm
c8322c3034d823d2539d36fe8c7ab9c4d24c586d5585639defeeb11a6bee7b96 java-1.8.0-openjdk-devel-debug-1.8.0.272.b10-0.el6_10.x86_64.rpm
4e1c702d9605fda135ae544fced1ef01a339307022027779d1187a4ccb04d505 java-1.8.0-openjdk-headless-1.8.0.272.b10-0.el6_10.x86_64.rpm
87bc9dbee88c76d9c485bb91f42e42a7fdde97eb3fc368ad91b53260a8f3256f java-1.8.0-openjdk-headless-debug-1.8.0.272.b10-0.el6_10.x86_64.rpm
934dafde9d638ea7f4be80af346353bae41f5da4f93f4e9790cf3acc1209568a java-1.8.0-openjdk-javadoc-1.8.0.272.b10-0.el6_10.noarch.rpm
9c442e876ad729790037fdbcd8b8dc9e3dd001f09798af0f5255de0cdca84dc0 java-1.8.0-openjdk-javadoc-debug-1.8.0.272.b10-0.el6_10.noarch.rpm
d27f253a11e46e76643aa79f37b33e9b8b45086ab2c8747dd9ac68653aa8c5e3 java-1.8.0-openjdk-src-1.8.0.272.b10-0.el6_10.x86_64.rpm
4c1702e43be36980f02cd49b5bdaec66269939ad72800a8bf2a2a1fdc19ba078 java-1.8.0-openjdk-src-debug-1.8.0.272.b10-0.el6_10.x86_64.rpm

Source:
8f509a705d1ddb1c414715f05ea5521b1a8b7e5598f21f542cb7fab94f045533 java-1.8.0-openjdk-1.8.0.272.b10-0.el6_10.src.rpm