diff --git a/API_CHANGES.md b/API_CHANGES.md
index f74f754f9..98a08f09d 100644
--- a/API_CHANGES.md
+++ b/API_CHANGES.md
@@ -4,9 +4,13 @@ API Changes
 When an addition to the existing API is made, the minor version is bumped.
 When an API feature or function is removed or changed, the major version is bumped.
 
+2.4.0
+=====
+Add a `get_size()` method to Windows VAD structures and fix several off-by-one issues when calculating VAD sizes.
+
 2.3.1
 =====
-Update in the windows `_EPROCESS.owning_process` method for support Windows Vista and later versions.
+Update in the windows `_EPROCESS.owning_process` method to support Windows Vista and later versions.
 
 2.3.0
 =====
diff --git a/volatility3/framework/constants/__init__.py b/volatility3/framework/constants/__init__.py
index 6eec88d26..00ae15f4e 100644
--- a/volatility3/framework/constants/__init__.py
+++ b/volatility3/framework/constants/__init__.py
@@ -39,8 +39,8 @@ BANG = "!"
 
 # We use the SemVer 2.0.0 versioning scheme
 VERSION_MAJOR = 2  # Number of releases of the library with a breaking change
-VERSION_MINOR = 3  # Number of changes that only add to the interface
-VERSION_PATCH = 1  # Number of changes that do not change the interface
+VERSION_MINOR = 4  # Number of changes that only add to the interface
+VERSION_PATCH = 0  # Number of changes that do not change the interface
 VERSION_SUFFIX = ""
 
 # TODO: At version 2.0.0, remove the symbol_shift feature
diff --git a/volatility3/framework/plugins/windows/malfind.py b/volatility3/framework/plugins/windows/malfind.py
index 700ced8ee..9b5fab3f5 100644
--- a/volatility3/framework/plugins/windows/malfind.py
+++ b/volatility3/framework/plugins/windows/malfind.py
@@ -17,7 +17,7 @@ vollog = logging.getLogger(__name__)
 class Malfind(interfaces.plugins.PluginInterface):
     """Lists process memory ranges that potentially contain injected code."""
 
-    _required_framework_version = (2, 0, 0)
+    _required_framework_version = (2, 4, 0)
 
     @classmethod
     def get_requirements(cls):
@@ -56,7 +56,7 @@ class Malfind(interfaces.plugins.PluginInterface):
         all_zero_page = b"\x00" * CHUNK_SIZE
 
         offset = 0
-        vad_length = vad.get_end() - vad.get_start()
+        vad_length = vad.get_size()
 
         while offset < vad_length:
             next_addr = vad.get_start() + offset
diff --git a/volatility3/framework/plugins/windows/skeleton_key_check.py b/volatility3/framework/plugins/windows/skeleton_key_check.py
index 4a1b48c9a..f6f41864a 100644
--- a/volatility3/framework/plugins/windows/skeleton_key_check.py
+++ b/volatility3/framework/plugins/windows/skeleton_key_check.py
@@ -41,7 +41,7 @@ vollog = logging.getLogger(__name__)
 class Skeleton_Key_Check(interfaces.plugins.PluginInterface):
     """ Looks for signs of Skeleton Key malware """
 
-    _required_framework_version = (2, 0, 0)
+    _required_framework_version = (2, 4, 0)
 
     @classmethod
     def get_requirements(cls):
@@ -262,7 +262,7 @@ class Skeleton_Key_Check(interfaces.plugins.PluginInterface):
 
             if isinstance(filename, str) and filename.lower().endswith("cryptdll.dll"):
                 base = vad.get_start()
-                return base, vad.get_end() - base
+                return base, vad.get_size()
 
         return None, None
 
diff --git a/volatility3/framework/plugins/windows/vadinfo.py b/volatility3/framework/plugins/windows/vadinfo.py
index e357b150a..d3997c8c8 100644
--- a/volatility3/framework/plugins/windows/vadinfo.py
+++ b/volatility3/framework/plugins/windows/vadinfo.py
@@ -33,7 +33,7 @@ winnt_protections = {
 class VadInfo(interfaces.plugins.PluginInterface):
     """Lists process memory ranges."""
 
-    _required_framework_version = (2, 0, 0)
+    _required_framework_version = (2, 4, 0)
     _version = (2, 0, 0)
     MAXSIZE_DEFAULT = 1024 * 1024 * 1024  # 1 Gb
 
@@ -132,7 +132,7 @@ class VadInfo(interfaces.plugins.PluginInterface):
             vollog.debug("Unable to find the starting/ending VPN member")
             return None
 
-        if 0 < maxsize < (vad_end - vad_start):
+        if 0 < maxsize < vad.get_size():
             vollog.debug(f"Skip VAD dump {vad_start:#x}-{vad_end:#x} due to maxsize limit")
             return None
 
@@ -151,8 +151,9 @@ class VadInfo(interfaces.plugins.PluginInterface):
             file_handle = open_method(file_name)
             chunk_size = 1024 * 1024 * 10
             offset = vad_start
-            while offset < vad_end:
-                to_read = min(chunk_size, vad_end - offset)
+            vad_size = vad.get_size()
+            while offset < vad_start + vad_size:
+                to_read = min(chunk_size, vad_start + vad_size - offset)
                 data = proc_layer.read(offset, to_read, pad = True)
                 if not data:
                     break
diff --git a/volatility3/framework/plugins/windows/vadyarascan.py b/volatility3/framework/plugins/windows/vadyarascan.py
index 06a87d003..b71e2f605 100644
--- a/volatility3/framework/plugins/windows/vadyarascan.py
+++ b/volatility3/framework/plugins/windows/vadyarascan.py
@@ -17,7 +17,7 @@ vollog = logging.getLogger(__name__)
 class VadYaraScan(interfaces.plugins.PluginInterface):
     """Scans all the Virtual Address Descriptor memory maps using yara."""
 
-    _required_framework_version = (2, 0, 0)
+    _required_framework_version = (2, 4, 0)
     _version = (1, 0, 0)
 
     @classmethod
@@ -82,9 +82,7 @@ class VadYaraScan(interfaces.plugins.PluginInterface):
         """
         vad_root = task.get_vad_root()
         for vad in vad_root.traverse():
-            end = vad.get_end()
-            start = vad.get_start()
-            yield (start, end - start)
+            yield (vad.get_start(), vad.get_size())
 
     def run(self):
         return renderers.TreeGrid([('Offset', format_hints.Hex), ('PID', int), ('Rule', str), ('Component', str),
diff --git a/volatility3/framework/symbols/windows/extensions/__init__.py b/volatility3/framework/symbols/windows/extensions/__init__.py
index e290ef52d..a86f5b3cb 100755
--- a/volatility3/framework/symbols/windows/extensions/__init__.py
+++ b/volatility3/framework/symbols/windows/extensions/__init__.py
@@ -197,8 +197,8 @@ class MMVAD_SHORT(objects.StructType):
 
         raise AttributeError("Unable to find the parent member")
 
-    def get_start(self):
-        """Get the VAD's starting virtual address."""
+    def get_start(self) -> int:
+        """Get the VAD's starting virtual address. This is the first accessible byte in the range."""
 
         if self.has_member("StartingVpn"):
 
@@ -216,8 +216,8 @@ class MMVAD_SHORT(objects.StructType):
 
         raise AttributeError("Unable to find the starting VPN member")
 
-    def get_end(self):
-        """Get the VAD's ending virtual address."""
+    def get_end(self) -> int:
+        """Get the VAD's ending virtual address. This is the last accessible byte in the range."""
 
         if self.has_member("EndingVpn"):
 
@@ -234,6 +234,10 @@ class MMVAD_SHORT(objects.StructType):
 
         raise AttributeError("Unable to find the ending VPN member")
 
+    def get_size(self) -> int:
+        """Get the size of the VAD region. The OS ensures page granularity."""
+        return (self.get_end() - self.get_start()) + 1
+
     def get_commit_charge(self):
         """Get the VAD's commit charge (number of committed pages)"""