Apache CXF: Prevent unbounded XML document size in StaxUtils by adding default element and character limits
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| Apache Software Foundation | Apache CXF | unaffected |
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Configuration 1 [-]
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| Apache | Cxf |
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No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.458% probability within 30 days)
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| CPEs | cpe:2.3:a:apache:cxf:*:*:*:*:*:*:*:* |
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| Weaknesses | CWE-776 | |
| Metrics |
ssvc
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| Type | Values Removed | Values Added |
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| Weaknesses | CWE-674 |
| Type | Values Removed | Values Added |
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| Weaknesses | CWE-770 | |
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| Metrics |
threat_severity
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cvssV3_1
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| First Time appeared |
Apache
Apache cxf |
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| Weaknesses | CWE-674 | |
| Vendors & Products |
Apache
Apache cxf |
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| Description | By default, StaxUtils placed no limit on the total number of elements or the total number of characters in an XML document. A very large request could therefore use a lot of memory and CPU during parsing, especially where CXF builds a DOM from the input (for example SAAJ or WS-Security), and could cause a denial of service when no request size limit was configured. Both limits now have defaults: the maximum element count is 100 × maxChildElements (5,000,000 by default), and the maximum document size is 256M characters. Applications that process larger documents can raise the limits with the org.apache.cxf.stax.maxElementCount and org.apache.cxf.stax.maxXMLCharacters properties. Users are recommended to upgrade to versions 4.2.4 or 4.1.9 or 3.6.13, which fix this issue. | |
| Title | Apache CXF: Prevent unbounded XML document size in StaxUtils by adding default element and character limits | |
| References |
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