Backport #5891 fix into 2.21 (#5893)

Author: cowtowncoder

release-notes/VERSION-2.x

@@ -12,6 +12,9 @@ Project: jackson-databind
  (fix by @pjfanning)
 #5870: `EnumMap` and `EnumSet` properties ignore `@JsonDeserialize(contentConverter)`
  (fixed by Lee Jiwon)
+#5891: `EnumMapDeserializer._deserializeUsingProperties()` corrupts parser
+  state after skipping unknown enum keys
+ (fixed by Lee Jiwon)
 
 2.21.2 (20-Mar-2026)
 

src/main/java/com/fasterxml/jackson/databind/deser/std/EnumMapDeserializer.java

@@ -399,7 +399,6 @@ public EnumMap<?,?> _deserializeUsingProperties(JsonParser p, DeserializationCon
                 }
                 // 24-Mar-2012, tatu: Null won't work as a key anyway, so let's
                 //  just skip the entry then. But we must skip the value as well, if so.
-                p.nextToken();
                 p.skipChildren();
                 continue;
             }