A java-1.8.0-openjdk security update has been released for CentOS 7.

CESA-2021:3889 Important CentOS 7 java-1.8.0-openjdk Security Update

CentOS Errata and Security Advisory 2021:3889 Important

Upstream details at :   https://access.redhat.com/errata/RHSA-2021:3889

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

x86_64:
880ff35253177a36cd35ad8763cde4cb91281f1e945561e8856f21de6d706dbb java-1.8.0-openjdk-1.8.0.312.b07-1.el7_9.i686.rpm
e43708faf11f54060a6b8d9ee565f6c43fdf9b7c1d5537257443dcfe58320462 java-1.8.0-openjdk-1.8.0.312.b07-1.el7_9.x86_64.rpm
fec7ec65b7db46bf359cb0e984f68dfa1d760320e274306052a510c5d288ed1a java-1.8.0-openjdk-accessibility-1.8.0.312.b07-1.el7_9.i686.rpm
3c68468d65b23e5a50cce88db5e3d11674fb488c8e0bf375200f6f529c438a20 java-1.8.0-openjdk-accessibility-1.8.0.312.b07-1.el7_9.x86_64.rpm
9512843f182c5c1950953d11669afc9c97394a90e3b4ebda1834fab7b5a97d88 java-1.8.0-openjdk-demo-1.8.0.312.b07-1.el7_9.i686.rpm
f97dd6a530e0dc37dde8d1e71e04e877196e4f36ac6754904cd6a5e8e0e4990f java-1.8.0-openjdk-demo-1.8.0.312.b07-1.el7_9.x86_64.rpm
769a4e98dcdf66de7159dd3adbff251c61fcb448ebdacbcc474122895e9cf709 java-1.8.0-openjdk-devel-1.8.0.312.b07-1.el7_9.i686.rpm
1282baff4a36da2985cd30f9ea8f45ff5c8aa9ed747e858cf20363a7b30022ab java-1.8.0-openjdk-devel-1.8.0.312.b07-1.el7_9.x86_64.rpm
71e8109b89c2bfa0c40687b649c02bd70e7702214ec1fb76fe606db76ace6aff java-1.8.0-openjdk-headless-1.8.0.312.b07-1.el7_9.i686.rpm
2f7c6c553d364083a3603f33a066c8031c3bc2f1e9c8bb2d64b355daf9a42c2b java-1.8.0-openjdk-headless-1.8.0.312.b07-1.el7_9.x86_64.rpm
5a11f15beb55665259230a77f5624af4b896062e2a61b610d31d355500431f88 java-1.8.0-openjdk-javadoc-1.8.0.312.b07-1.el7_9.noarch.rpm
c72c2effb396db8fd12fe1bf50dc5ae0543a4d684cc6990bc2a8f8c1c707bd2a java-1.8.0-openjdk-javadoc-zip-1.8.0.312.b07-1.el7_9.noarch.rpm
7f67e4364ed1e323c02f8bdeafb086bb8d6633c2da0a3139a1a54be82a87bdec java-1.8.0-openjdk-src-1.8.0.312.b07-1.el7_9.i686.rpm
eb2e226e824b06855d4cf867531fb5f3409412d883d6e56543603660748ecfbb java-1.8.0-openjdk-src-1.8.0.312.b07-1.el7_9.x86_64.rpm

Source:
a4076bf3885e96dac8f3a554fafc2f7bbdbb1d6d19078decb983c4819f09fc8c java-1.8.0-openjdk-1.8.0.312.b07-1.el7_9.src.rpm