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Vulnerability Intelligence
Miggo AI
Miggo AIMiggo AI
JavaJavaMiggo AIRoot Cause AnalysisThe vulnerability stems from improper size checking of non-file form fields in multipart requests. The unpatched version of processNormalFormField in JakartaMultiPartRequest.java directly added form field values to memory as Strings without validating their length. The patch introduced a critical size check against maxStringLength (a new configuration parameter), confirming this was the vulnerable point. The function's pre-patch behavior matches the CVE description of uncontrolled memory allocation for form fields.
| Package Name | Ecosystem | Vulnerable Versions | First Patched Version |
|---|---|---|---|
| org.apache.struts:struts2-core | maven | < 2.5.31 | 2.5.31 |
| org.apache.struts:struts2-core | maven | >= 6.0.0, < 6.1.2.1 | 6.1.2.1 |
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