mchange c3p0 CVE-2019-5427 vulnerability in Mchange and Other Products
Published on April 22, 2019

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c3p0 version < 0.9.5.4 may be exploited by a billion laughs attack when loading XML configuration due to missing protections against recursive entity expansion when loading configuration.

Vendor Advisory Vendor Advisory NVD

Weakness Type

What is a XEE Vulnerability?

The software uses XML documents and allows their structure to be defined with a Document Type Definition (DTD), but it does not properly control the number of recursive definitions of entities. If the DTD contains a large number of nested or recursive entities, this can lead to explosive growth of data when parsed, causing a denial of service.

CVE-2019-5427 has been classified to as a XEE vulnerability or weakness.


Products Associated with CVE-2019-5427

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Exploit Probability

EPSS
4.06%
Percentile
88.28%

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.