diff --git a/Tests/images/oom-8ed3316a4109213ca96fb8a256a0bfefdece1461.icns b/Tests/images/oom-8ed3316a4109213ca96fb8a256a0bfefdece1461.icns
new file mode 100644
index 000000000..0521f5cf1
Binary files /dev/null and b/Tests/images/oom-8ed3316a4109213ca96fb8a256a0bfefdece1461.icns differ
diff --git a/Tests/test_file_icns.py b/Tests/test_file_icns.py
index fef2329bc..ea022332c 100644
--- a/Tests/test_file_icns.py
+++ b/Tests/test_file_icns.py
@@ -140,3 +140,9 @@ def test_not_an_icns_file():
     with io.BytesIO(b"invalid\n") as fp:
         with pytest.raises(SyntaxError):
             IcnsImagePlugin.IcnsFile(fp)
+
+
+def test_icns_decompression_bomb():
+    with pytest.raises(Image.DecompressionBombError):
+        im = Image.open('Tests/images/oom-8ed3316a4109213ca96fb8a256a0bfefdece1461.icns')
+        im.load()
diff --git a/src/PIL/BlpImagePlugin.py b/src/PIL/BlpImagePlugin.py
index d5d7c0e05..88aae80eb 100644
--- a/src/PIL/BlpImagePlugin.py
+++ b/src/PIL/BlpImagePlugin.py
@@ -353,6 +353,7 @@ class BLP1Decoder(_BLPBaseDecoder):
         data = jpeg_header + data
         data = BytesIO(data)
         image = JpegImageFile(data)
+        Image._decompression_bomb_check(image.size)
         self.tile = image.tile  # :/
         self.fd = image.fp
         self.mode = image.mode
diff --git a/src/PIL/IcnsImagePlugin.py b/src/PIL/IcnsImagePlugin.py
index 2a63d75cb..ca6a0adad 100644
--- a/src/PIL/IcnsImagePlugin.py
+++ b/src/PIL/IcnsImagePlugin.py
@@ -105,6 +105,7 @@ def read_png_or_jpeg2000(fobj, start_length, size):
     if sig[:8] == b"\x89PNG\x0d\x0a\x1a\x0a":
         fobj.seek(start)
         im = PngImagePlugin.PngImageFile(fobj)
+        Image._decompression_bomb_check(im.size)
         return {"RGBA": im}
     elif (
         sig[:4] == b"\xff\x4f\xff\x51"
@@ -121,6 +122,7 @@ def read_png_or_jpeg2000(fobj, start_length, size):
         jp2kstream = fobj.read(length)
         f = io.BytesIO(jp2kstream)
         im = Jpeg2KImagePlugin.Jpeg2KImageFile(f)
+        Image._decompression_bomb_check(im.size)
         if im.mode != "RGBA":
             im = im.convert("RGBA")
         return {"RGBA": im}
diff --git a/src/PIL/IcoImagePlugin.py b/src/PIL/IcoImagePlugin.py
index e1bfa7a59..5634bf8e9 100644
--- a/src/PIL/IcoImagePlugin.py
+++ b/src/PIL/IcoImagePlugin.py
@@ -178,6 +178,7 @@ class IcoFile:
         if data[:8] == PngImagePlugin._MAGIC:
             # png frame
             im = PngImagePlugin.PngImageFile(self.buf)
+            Image._decompression_bomb_check(im.size)
         else:
             # XOR + AND mask bmp frame
             im = BmpImagePlugin.DibImageFile(self.buf)