Fix #2449

Author: cowtowncoder

release-notes/CREDITS

@@ -646,6 +646,10 @@ svarzee@github
   * Reported #2109, suggested fix: Canonical string for reference type is built incorrectly
    (2.8.11.3 / 2.9.7)
 
+Kaki King (kingkk9279@g)
+  * Reported #2449: Block one more gadget type (cve CVE-2019-14540)
+   (2.9.10)
+  
 Connor Kuhn (ckuhn@github)
   * Contributed #1341: FAIL_ON_MISSING_EXTERNAL_TYPE_ID_PROPERTY
    (2.9.0)

release-notes/VERSION

@@ -9,6 +9,8 @@ Unreleased but backported
   (reported by iSafeBlue@github / [email protected])
 #2420: Block one more gadget type (no CVE allocated yet)
   (reported by [email protected])
+#2449: Block one more gadget type (cve CVE-2019-14540)
+  (reported by Kaki K)
 
 2.8.11.4 (25-Jul-2019)
 

src/main/java/com/fasterxml/jackson/databind/jsontype/impl/SubTypeValidator.java

@@ -100,6 +100,8 @@ public class SubTypeValidator
 
         // [databind#2410]: HikariCP/metricRegistry config
         s.add("com.zaxxer.hikari.HikariConfig");
+        // [databind#2449]: and sub-class thereof
+        s.add("com.zaxxer.hikari.HikariDataSource");
 
         // [databind#2420]: CXF/JAX-RS provider/XSLT
         s.add("org.apache.cxf.jaxrs.provider.XSLTJaxbProvider");