### Summary
Vulnerability in the Jackson JSON library
| | |
| :------------ | :------------ |
| Who should read this | All Struts 2 developers and users which are using the REST plugin |
| Impact of vulnerability | Not clear, please read the linked issue for more details. https://github.com/FasterXML/jackson-databind/issues/1599 |
| Maximum security rating | Medium |
| Recommendation | Upgrade to Struts 2.5.14.1 |
| Affected Software | Struts 2.5 - Struts 2.5.14 |
| Reporter | David Dillard < david dot dillard at veritas dot com> - Veritas Technologies Product Security Group |
| CVE Identifier | CVE-2017-7525 |
### Problem
A vulnerability was detected in the latest Jackson JSON library, which was reported here. Upgrade com.fasterxml.jackson to version 2.9.2 to address CVE-2017-7525.
### Solution
Upgrade to Apache Struts version 2.5.14.1. Another solution is to manually upgrade Jackson dependencies in your project to not vulnerable versions, see this comment.
### Backward compatibility
No backward incompatibility issues are expected.
### Workaround
Upgrade Jackson JSON library to the latest version.
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