IBM JDK 8 SR5 FP20 (8.0.5.20), 7 R1 SR4 FP30 (7.1.4.30), 7 SR10 FP30 (7.0.10.30), and 6 SR16 FP70 (6.0.16.70) fix a flaw described by upstream as:
A flaw in the java.math component in IBM SDK, Java Technology Edition may allow an attacker to inflict a denial-of-service attack with specially crafted String data.
References:
https://www-01.ibm.com/support/docview.wss?uid=ibm10719653 https://developer.ibm.com/javasdk/support/security-vulnerabilities/#IBMSecurityUpdateAugust2018