Renderers conversion exceptions fix: Even though the documentation states that OverflowError should be raised starting from version 3.3, it has been observed that ValueError is still being triggered. Also, in Linux, we noticed that OSError is also being raised in some cases.

volatility3/framework/renderers/conversion.py

@@ -20,8 +20,10 @@ def wintime_to_datetime(
     unix_time = unix_time - 11644473600
     try:
         return datetime.datetime.fromtimestamp(unix_time, datetime.timezone.utc)
-        # Windows sometimes throws OSErrors rather than OverflowError when it can't convert a value
-    except (OverflowError, OSError):
+        # Windows sometimes throws OSErrors rather than ValueError/OverflowError when it can't convert a value
+        # Since Python 3.3, this should raise OverflowError instead of ValueError. However, it was observed
+        # that even in Python 3.7.17, ValueError is still being raised.
+    except (ValueError, OverflowError, OSError):
         return renderers.UnparsableValue()
 
 
@@ -33,7 +35,9 @@ def unixtime_to_datetime(
     )
 
     if unixtime > 0:
-        with contextlib.suppress(OverflowError):
+        # Since Python 3.3, this should raise OverflowError instead of ValueError. However, it was observed
+        # that even in Python 3.7.17, ValueError is still being raised. OSError is also raised on Linux
+        with contextlib.suppress(ValueError, OverflowError, OSError):
             ret = datetime.datetime.fromtimestamp(unixtime, datetime.timezone.utc)
 
     return ret