diff --git a/.chloggen/oracledbreceiver_memoryleak_fix.yaml b/.chloggen/oracledbreceiver_memoryleak_fix.yaml
new file mode 100644
index 0000000000000..a4dc07170f4ed
--- /dev/null
+++ b/.chloggen/oracledbreceiver_memoryleak_fix.yaml
@@ -0,0 +1,27 @@
+# Use this changelog template to create an entry for release notes.
+
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: bug_fix
+
+# The name of the component, or a single word describing the area of concern, (e.g. filelogreceiver)
+component: oracledbreceiver
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Fix for memory leak in top queries and query samples collection.
+
+# Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists.
+issues: [43074]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext:
+
+# If your change doesn't affect end users or the exported elements of any package,
+# you should instead start your pull request title with [chore] or use the "Skip Changelog" label.
+# Optional: The change log or logs in which this entry should be included.
+# e.g. '[user]' or '[user, api]'
+# Include 'user' if the change is relevant to end users.
+# Include 'api' if there is a change to a library API.
+# Default: '[user]'
+change_logs: [user]
diff --git a/receiver/oracledbreceiver/obfuscate.go b/receiver/oracledbreceiver/obfuscate.go
index 9e71feabe81f9..2e8d0108467a4 100644
--- a/receiver/oracledbreceiver/obfuscate.go
+++ b/receiver/oracledbreceiver/obfuscate.go
@@ -7,16 +7,18 @@ import (
 	"github.com/DataDog/datadog-agent/pkg/obfuscate"
 )
 
-var obfuscateSQLConfig = obfuscate.SQLConfig{DBMS: "oracle"}
-
 type obfuscator obfuscate.Obfuscator
 
 func newObfuscator() *obfuscator {
-	return (*obfuscator)(obfuscate.NewObfuscator(obfuscate.Config{}))
+	return (*obfuscator)(obfuscate.NewObfuscator(obfuscate.Config{
+		SQL: obfuscate.SQLConfig{
+			DBMS: "oracle",
+		},
+	}))
 }
 
 func (o *obfuscator) obfuscateSQLString(sql string) (string, error) {
-	obfuscatedQuery, err := (*obfuscate.Obfuscator)(o).ObfuscateSQLStringWithOptions(sql, &obfuscateSQLConfig, "")
+	obfuscatedQuery, err := (*obfuscate.Obfuscator)(o).ObfuscateSQLString(sql)
 	if err != nil {
 		return "", err
 	}