A Polymorphic Typing issue was discovered in FasterXML jackson-databind 2.x before 2.9.9.2. This occurs when Default Typing is enabled (either globally or for a specific property) for an externally exposed JSON endpoint and the service has the logback jar in the classpath.
[
{
"id": "CVE-2019-14439-4dee2574",
"signature_type": "Line",
"digest": {
"line_hashes": [
"185019317653556488357629726211452431623",
"238855854932822636226904752200519445809",
"279302873038015102418510393666390043054"
],
"threshold": 0.9
},
"target": {
"file": "src/main/java/com/fasterxml/jackson/databind/jsontype/impl/SubTypeValidator.java"
},
"source": "https://github.com/fasterxml/jackson-databind/commit/ad418eeb974e357f2797aef64aa0e3ffaaa6125b",
"signature_version": "v1",
"deprecated": false
}
]