2 files changed, 12 insertions, 7 deletions
diff --git a/src/encoding/xml/read.go b/src/encoding/xml/read.go
index a6fb665458..c2f495581a 100644
--- a/src/encoding/xml/read.go
+++ b/src/encoding/xml/read.go
@@ -10,6 +10,7 @@ import (
 	"errors"
 	"fmt"
 	"reflect"
+	"runtime"
 	"strconv"
 	"strings"
 )
@@ -308,14 +309,17 @@ var (
 	textUnmarshalerType = reflect.TypeOf((*encoding.TextUnmarshaler)(nil)).Elem()
 )
 
-const maxUnmarshalDepth = 10000
+const (
+	maxUnmarshalDepth     = 10000
+	maxUnmarshalDepthWasm = 5000 // go.dev/issue/56498
+)
 
-var errExeceededMaxUnmarshalDepth = errors.New("exceeded max depth")
+var errUnmarshalDepth = errors.New("exceeded max depth")
 
 // Unmarshal a single XML element into val.
 func (d *Decoder) unmarshal(val reflect.Value, start *StartElement, depth int) error {
-	if depth >= maxUnmarshalDepth {
-		return errExeceededMaxUnmarshalDepth
+	if depth >= maxUnmarshalDepth || runtime.GOARCH == "wasm" && depth >= maxUnmarshalDepthWasm {
+		return errUnmarshalDepth
 	}
 	// Find start element if we need it.
 	if start == nil {
diff --git a/src/encoding/xml/read_test.go b/src/encoding/xml/read_test.go
index 35385c6490..3e85fca5c6 100644
--- a/src/encoding/xml/read_test.go
+++ b/src/encoding/xml/read_test.go
@@ -9,6 +9,7 @@ import (
 	"errors"
 	"io"
 	"reflect"
+	"runtime"
 	"strings"
 	"testing"
 	"time"
@@ -1105,13 +1106,13 @@ func TestCVE202228131(t *testing.T) {
 	err := Unmarshal(bytes.Repeat([]byte("<a>"), maxUnmarshalDepth+1), &n)
 	if err == nil {
 		t.Fatal("Unmarshal did not fail")
-	} else if !errors.Is(err, errExeceededMaxUnmarshalDepth) {
-		t.Fatalf("Unmarshal unexpected error: got %q, want %q", err, errExeceededMaxUnmarshalDepth)
+	} else if !errors.Is(err, errUnmarshalDepth) {
+		t.Fatalf("Unmarshal unexpected error: got %q, want %q", err, errUnmarshalDepth)
 	}
 }
 
 func TestCVE202230633(t *testing.T) {
-	if testing.Short() {
+	if testing.Short() || runtime.GOARCH == "wasm" {
 		t.Skip("test requires significant memory")
 	}
 	defer func() {