Issue #22028: Ensure mimetypes will not open registry keys with embedded nulls

2015-03-10 13:17:21 -07:00 · 2015-03-10 13:17:21 -07:00 · ebb8c2d528
parent 7a82afee70
commit ebb8c2d528
1 changed files with 2 additions and 1 deletions
--- a/Lib/mimetypes.py
+++ b/Lib/mimetypes.py
@ -246,7 +246,8 @@ class MimeTypes:
                except EnvironmentError:
                    break
                else:
-                    yield ctype
+                    if '\0' not in ctype:
+                        yield ctype
                i += 1

        with _winreg.OpenKey(_winreg.HKEY_CLASSES_ROOT, '') as hkcr: