This update for java-171-ibm fixes the following issues:
Security issues fixed:
CVE-2018-1517: Fixed a flaw in the java.math component in IBM SDK, which may
allow an attacker to inflict a denial-of-service attack with specially
crafted String data.
CVE-2018-1656: Protect against path traversal attacks when extracting
compressed dump files.
CVE-2018-2940: Fixed an easily exploitable vulnerability in the libraries
subcomponent, which allowed unauthenticated attackers with network access
via multiple protocols to compromise the Java SE, leading to
unauthorized read access.
CVE-2018-2952: Fixed an easily exploitable vulnerability in the concurrency
subcomponent, which allowed unauthenticated attackers with network access
via multiple protocols to compromise the Java SE, leading to denial of
service.
CVE-2018-2973: Fixed a difficult to exploit vulnerability in the JSSE
subcomponent, which allowed unauthenticated attackers with network access
via SSL/TLS to compromise the Java SE, leading to unauthorized creation,
deletion or modification access to critical data.
CVE-2018-12539: Fixed a vulnerability in which users other than the process
owner may be able to use Java Attach API to connect to the IBM JVM on the
same machine and use Attach API operations, including the ability to execute
untrusted arbitrary code.
Other changes made:
Various JIT/JVM crash fixes
Version update to 7.1.4.30 (bsc#1104668)
You can find detailed information about this update here.