diff -rupN --no-dereference Pillow-7.2.0/src/libImaging/TiffDecode.c Pillow-7.2.0-new/src/libImaging/TiffDecode.c
--- Pillow-7.2.0/src/libImaging/TiffDecode.c	2021-03-05 21:08:18.485401434 +0100
+++ Pillow-7.2.0-new/src/libImaging/TiffDecode.c	2021-03-05 21:08:18.487401434 +0100
@@ -36,6 +36,10 @@ tsize_t _tiffReadProc(thandle_t hdata, t
     TRACE(("_tiffReadProc: %d \n", (int)size));
     dump_state(state);
 
+    if (state->loc > state->eof) {
+        TIFFError("_tiffReadProc", "Invalid Read at loc %d, eof: %d", state->loc, state->eof);
+        return 0;
+    }
     to_read = min(size, min(state->size, (tsize_t)state->eof) - (tsize_t)state->loc);
     TRACE(("to_read: %d\n", (int)to_read));
 
diff -rupN --no-dereference Pillow-7.2.0/Tests/test_tiff_crashes.py Pillow-7.2.0-new/Tests/test_tiff_crashes.py
--- Pillow-7.2.0/Tests/test_tiff_crashes.py	2021-03-05 21:08:18.485401434 +0100
+++ Pillow-7.2.0-new/Tests/test_tiff_crashes.py	2021-03-05 21:08:18.488401434 +0100
@@ -21,8 +21,14 @@ from .helper import on_ci
 @pytest.mark.parametrize(
     "test_file",
     [
-        "Tests/images/crash-1152ec2d1a1a71395b6f2ce6721c38924d025bf3.tif",
+        "Tests/images/crash-0c7e0e8e11ce787078f00b5b0ca409a167f070e0.tif",
         "Tests/images/crash-0e16d3bfb83be87356d026d66919deaefca44dac.tif",
+        "Tests/images/crash-1152ec2d1a1a71395b6f2ce6721c38924d025bf3.tif",
+        "Tests/images/crash-1185209cf7655b5aed8ae5e77784dfdd18ab59e9.tif",
+        "Tests/images/crash-338516dbd2f0e83caddb8ce256c22db3bd6dc40f.tif",
+        "Tests/images/crash-4f085cc12ece8cde18758d42608bed6a2a2cfb1c.tif",
+        "Tests/images/crash-86214e58da443d2b80820cff9677a38a33dcbbca.tif",
+        "Tests/images/crash-f46f5b2f43c370fe65706c11449f567ecc345e74.tif",
     ],
 )
 @pytest.mark.filterwarnings("ignore:Possibly corrupt EXIF data")