diff --git a/.travis.yml b/.travis.yml
index 7635334a0..783974b53 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -20,7 +20,10 @@ install:
   - "pip install cffi"
   - "pip install coveralls nose coveralls-merge"
   - "gem install coveralls-lcov"
-  - travis_retry pip install pyroma
+
+    # Pyroma installation is slow on Py3, so just do it for Py2.
+  - if [ ${TRAVIS_PYTHON_VERSION:0:1} == "2" ]; then travis_retry pip install pyroma; fi
+
   - if [ "$TRAVIS_PYTHON_VERSION" == "2.6" ]; then pip install unittest2; fi
 
   # webp
diff --git a/CHANGES.rst b/CHANGES.rst
index 141d5c715..97bbd5d86 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -4,6 +4,15 @@ Changelog (Pillow)
 2.6.0 (unreleased)
 ------------------
 
+- Fix TGA files with image ID field #856
+  [megabuz]
+
+- Fixed wrong P-mode of small, unoptimized L-mode GIF #843
+  [uvNikita]
+
+- Fixed CVE-2014-3598, a DOS in the Jpeg2KImagePlugin
+  [Andrew Drake]
+
 - Fixed CVE-2014-3589, a DOS in the IcnsImagePlugin
   [Andrew Drake]
 
@@ -61,6 +70,12 @@ Changelog (Pillow)
 - Test PalmImagePlugin and method to skip known bad tests #776
   [hugovk, wiredfool]
 
+2.5.3 (2014-08-18)
+------------------
+
+- Fixed CVE-2014-3598, a DOS in the Jpeg2KImagePlugin (backport)
+  [Andrew Drake]
+
 
 2.5.2 (2014-08-13)
 ------------------
diff --git a/PIL/GifImagePlugin.py b/PIL/GifImagePlugin.py
index 4107c6ba3..640af9efc 100644
--- a/PIL/GifImagePlugin.py
+++ b/PIL/GifImagePlugin.py
@@ -268,10 +268,9 @@ def _save(im, fp, filename):
         except IOError:
             pass # write uncompressed file
 
-    try:
-        rawmode = RAWMODE[im.mode]
+    if im.mode in RAWMODE:
         imOut = im
-    except KeyError:
+    else:
         # convert on the fly (EXPERIMENTAL -- I'm not sure PIL
         # should automatically convert images on save...)
         if Image.getmodebase(im.mode) == "RGB":
@@ -279,10 +278,8 @@ def _save(im, fp, filename):
             if im.palette:
                 palette_size = len(im.palette.getdata()[1]) // 3
             imOut = im.convert("P", palette=1, colors=palette_size)
-            rawmode = "P"
         else:
             imOut = im.convert("L")
-            rawmode = "L"
 
     # header
     try:
@@ -290,12 +287,6 @@ def _save(im, fp, filename):
     except KeyError:
         palette = None
         im.encoderinfo["optimize"] = im.encoderinfo.get("optimize", True)
-        if im.encoderinfo["optimize"]:
-            # When the mode is L, and we optimize, we end up with
-            # im.mode == P and rawmode = L, which fails.
-            # If we're optimizing the palette, we're going to be
-            # in a rawmode of P anyway. 
-            rawmode = 'P'
 
     header, usedPaletteColors = getheader(imOut, palette, im.encoderinfo)
     for s in header:
@@ -352,7 +343,7 @@ def _save(im, fp, filename):
              o8(8))                     # bits
 
     imOut.encoderconfig = (8, interlace)
-    ImageFile._save(imOut, fp, [("gif", (0,0)+im.size, 0, rawmode)])
+    ImageFile._save(imOut, fp, [("gif", (0,0)+im.size, 0, RAWMODE[imOut.mode])])
 
     fp.write(b"\0") # end of image data
 
diff --git a/PIL/Jpeg2KImagePlugin.py b/PIL/Jpeg2KImagePlugin.py
index 0a7a6e297..53b10ca1a 100644
--- a/PIL/Jpeg2KImagePlugin.py
+++ b/PIL/Jpeg2KImagePlugin.py
@@ -70,6 +70,9 @@ def _parse_jp2_header(fp):
         else:
             hlen = 8
 
+        if lbox < hlen:
+            raise SyntaxError('Invalid JP2 header length')
+        
         if tbox == b'jp2h':
             header = fp.read(lbox - hlen)
             break
diff --git a/PIL/TgaImagePlugin.py b/PIL/TgaImagePlugin.py
index 55790db08..46eafe8d0 100644
--- a/PIL/TgaImagePlugin.py
+++ b/PIL/TgaImagePlugin.py
@@ -42,9 +42,6 @@ MODES = {
 }
 
 
-def _accept(prefix):
-    return prefix[0:1] == b"\0"
-
 ##
 # Image plugin for Targa files.
 
@@ -58,7 +55,7 @@ class TgaImageFile(ImageFile.ImageFile):
         # process header
         s = self.fp.read(18)
 
-        id = i8(s[0])
+        idlen = i8(s[0])
 
         colormaptype = i8(s[1])
         imagetype = i8(s[2])
@@ -70,7 +67,7 @@ class TgaImageFile(ImageFile.ImageFile):
         self.size = i16(s[12:]), i16(s[14:])
 
         # validate header fields
-        if id != 0 or colormaptype not in (0, 1) or\
+        if colormaptype not in (0, 1) or\
            self.size[0] <= 0 or self.size[1] <= 0 or\
            depth not in (1, 8, 16, 24, 32):
             raise SyntaxError("not a TGA file")
@@ -79,7 +76,7 @@ class TgaImageFile(ImageFile.ImageFile):
         if imagetype in (3, 11):
             self.mode = "L"
             if depth == 1:
-                self.mode = "1" # ???
+                self.mode = "1"  # ???
         elif imagetype in (1, 9):
             self.mode = "P"
         elif imagetype in (2, 10):
@@ -103,22 +100,25 @@ class TgaImageFile(ImageFile.ImageFile):
         if imagetype & 8:
             self.info["compression"] = "tga_rle"
 
+        if idlen:
+            self.info["id_section"] = self.fp.read(idlen)
+
         if colormaptype:
             # read palette
             start, size, mapdepth = i16(s[3:]), i16(s[5:]), i16(s[7:])
             if mapdepth == 16:
-                self.palette = ImagePalette.raw("BGR;16",
-                    b"\0"*2*start + self.fp.read(2*size))
+                self.palette = ImagePalette.raw(
+                    "BGR;16", b"\0"*2*start + self.fp.read(2*size))
             elif mapdepth == 24:
-                self.palette = ImagePalette.raw("BGR",
-                    b"\0"*3*start + self.fp.read(3*size))
+                self.palette = ImagePalette.raw(
+                    "BGR", b"\0"*3*start + self.fp.read(3*size))
             elif mapdepth == 32:
-                self.palette = ImagePalette.raw("BGRA",
-                    b"\0"*4*start + self.fp.read(4*size))
+                self.palette = ImagePalette.raw(
+                    "BGRA", b"\0"*4*start + self.fp.read(4*size))
 
         # setup tile descriptor
         try:
-            rawmode = MODES[(imagetype&7, depth)]
+            rawmode = MODES[(imagetype & 7, depth)]
             if imagetype & 8:
                 # compressed
                 self.tile = [("tga_rle", (0, 0)+self.size,
@@ -127,7 +127,7 @@ class TgaImageFile(ImageFile.ImageFile):
                 self.tile = [("raw", (0, 0)+self.size,
                               self.fp.tell(), (rawmode, 0, orientation))]
         except KeyError:
-            pass # cannot decode
+            pass  # cannot decode
 
 #
 # --------------------------------------------------------------------
@@ -145,6 +145,7 @@ SAVE = {
     "RGBA": ("BGRA", 32, 0, 2),
 }
 
+
 def _save(im, fp, filename, check=0):
 
     try:
@@ -185,13 +186,14 @@ def _save(im, fp, filename, check=0):
     if colormaptype:
         fp.write(im.im.getpalette("RGB", "BGR"))
 
-    ImageFile._save(im, fp, [("raw", (0,0)+im.size, 0, (rawmode, 0, orientation))])
+    ImageFile._save(
+        im, fp, [("raw", (0, 0) + im.size, 0, (rawmode, 0, orientation))])
 
 #
 # --------------------------------------------------------------------
 # Registry
 
-Image.register_open("TGA", TgaImageFile, _accept)
+Image.register_open("TGA", TgaImageFile)
 Image.register_save("TGA", _save)
 
 Image.register_extension("TGA", ".tga")
diff --git a/PIL/__init__.py b/PIL/__init__.py
index 56edaf247..7b4b8abfa 100644
--- a/PIL/__init__.py
+++ b/PIL/__init__.py
@@ -12,7 +12,7 @@
 # ;-)
 
 VERSION = '1.1.7'  # PIL version
-PILLOW_VERSION = '2.5.0' # Pillow
+PILLOW_VERSION = '2.5.3' # Pillow
 
 _plugins = ['BmpImagePlugin',
             'BufrStubImagePlugin',
diff --git a/Tests/check_j2k_dos.py b/Tests/check_j2k_dos.py
new file mode 100644
index 000000000..68f065bbc
--- /dev/null
+++ b/Tests/check_j2k_dos.py
@@ -0,0 +1,11 @@
+# Tests potential DOS of Jpeg2kImagePlugin with 0 length block.
+# Run from anywhere that PIL is importable. 
+
+from PIL import Image
+from io import BytesIO
+
+if bytes is str:
+    Image.open(BytesIO(bytes('\x00\x00\x00\x0cjP\x20\x20\x0d\x0a\x87\x0a\x00\x00\x00\x00hang')))
+else:
+    Image.open(BytesIO(bytes('\x00\x00\x00\x0cjP\x20\x20\x0d\x0a\x87\x0a\x00\x00\x00\x00hang', 'latin-1')))
+
diff --git a/Tests/images/tga_id_field.tga b/Tests/images/tga_id_field.tga
new file mode 100644
index 000000000..a3d666848
Binary files /dev/null and b/Tests/images/tga_id_field.tga differ
diff --git a/Tests/test_file_gif.py b/Tests/test_file_gif.py
index 93b826fd6..bd4a6e76c 100644
--- a/Tests/test_file_gif.py
+++ b/Tests/test_file_gif.py
@@ -35,6 +35,14 @@ class TestFileGif(PillowTestCase):
         self.assertEqual(test(0), 800)
         self.assertEqual(test(1), 38)
 
+    def test_optimize_full_l(self):
+        from io import BytesIO
+
+        im = Image.frombytes("L", (16, 16), bytes(bytearray(range(256))))
+        file = BytesIO()
+        im.save(file, "GIF", optimize=True)
+        self.assertEqual(im.mode, "L")
+
     def test_roundtrip(self):
         out = self.tempfile('temp.gif')
         im = lena()
diff --git a/Tests/test_file_jpeg2k.py b/Tests/test_file_jpeg2k.py
index a0e7dfb53..db67e9551 100644
--- a/Tests/test_file_jpeg2k.py
+++ b/Tests/test_file_jpeg2k.py
@@ -52,7 +52,8 @@ class TestFileJpeg2k(PillowTestCase):
     def test_lossless(self):
         im = Image.open('Tests/images/test-card-lossless.jp2')
         im.load()
-        im.save('/tmp/test-card.png')
+        outfile = self.tempfile('temp_test-card.png')
+        im.save(outfile)
         self.assert_image_similar(im, test_card, 1.0e-3)
 
     def test_lossy_tiled(self):
diff --git a/Tests/test_file_tga.py b/Tests/test_file_tga.py
new file mode 100644
index 000000000..ea94dee64
--- /dev/null
+++ b/Tests/test_file_tga.py
@@ -0,0 +1,20 @@
+from helper import unittest, PillowTestCase
+
+from PIL import Image
+
+
+class TestFileTga(PillowTestCase):
+
+    def test_id_field(self):
+        # tga file with id field
+        test_file = "Tests/images/tga_id_field.tga"
+
+        # Act
+        im = Image.open(test_file)
+
+        # Assert
+        self.assertEqual(im.size, (100, 100))
+
+
+if __name__ == '__main__':
+    unittest.main()
diff --git a/_imaging.c b/_imaging.c
index c28bd4d93..ec8205dd4 100644
--- a/_imaging.c
+++ b/_imaging.c
@@ -71,7 +71,7 @@
  * See the README file for information on usage and redistribution.
  */
 
-#define PILLOW_VERSION "2.5.0"
+#define PILLOW_VERSION "2.5.3"
 
 #include "Python.h"
 
diff --git a/setup.py b/setup.py
index ac3bc3ea8..5cf0e5e65 100644
--- a/setup.py
+++ b/setup.py
@@ -90,7 +90,7 @@ except (ImportError, OSError):
 
 
 NAME = 'Pillow'
-PILLOW_VERSION = '2.5.0'
+PILLOW_VERSION = '2.5.3'
 TCL_ROOT = None
 JPEG_ROOT = None
 JPEG2K_ROOT = None