CVE-2019-17639 is a vulnerability in Eclipse Openj9
Published on July 15, 2020
In Eclipse OpenJ9 prior to version 0.21 on Power platforms, calling the System.arraycopy method with a length longer than the length of the source or destination array can, in certain specially crafted code patterns, cause the current method to return prematurely with an undefined return value. This allows whatever value happens to be in the return register at that time to be used as if it matches the method's declared return type.
Weakness Type
What is an Object Type Confusion Vulnerability?
The program allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.
CVE-2019-17639 has been classified to as an Object Type Confusion vulnerability or weakness.
Products Associated with CVE-2019-17639
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Affected Versions
The Eclipse Foundation Eclipse OpenJ9 Version <= 0.21 is affected by CVE-2019-17639Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.