diff --git a/git/config.py b/git/config.py
@@ -72,6 +72,9 @@
See: https://git-scm.com/docs/git-config#_conditional_includes
"""


class MetaParserBuilder(abc.ABCMeta):  # noqa: B024
    """Utility class wrapping base-class methods into decorators that assure read-only
@@ -778,6 +781,7 @@ def _assure_writable(self, method_name: str) -> None:

    def add_section(self, section: "cp._SectionName") -> None:
        """Assures added options will stay in order."""
        return super().add_section(section)

    @property
@@ -884,10 +888,14 @@ def _value_to_string(self, value: Union[str, bytes, int, float, bool]) -> str:

    def _value_to_string_safe(self, value: Union[str, bytes, int, float, bool]) -> str:
        value_str = self._value_to_string(value)
-        if re.search(r"[\r\n\x00]", value_str):
            raise ValueError("Git config values must not contain CR, LF, or NUL")
        return value_str

    @needs_values
    @set_dirty_and_flush_changes
    def set(
@@ -896,6 +904,8 @@ def set(
        option: str,
        value: Union[str, bytes, int, float, bool, None] = None,
    ) -> None:
        if value is not None:
            value = self._value_to_string_safe(value)
        return super().set(section, option, value)
@@ -920,6 +930,8 @@ def set_value(self, section: str, option: str, value: Union[str, bytes, int, flo
        :return:
            This instance
        """
        value_str = self._value_to_string_safe(value)
        if not self.has_section(section):
            self.add_section(section)
@@ -948,6 +960,8 @@ def add_value(self, section: str, option: str, value: Union[str, bytes, int, flo
        :return:
            This instance
        """
        value_str = self._value_to_string_safe(value)
        if not self.has_section(section):
            self.add_section(section)
@@ -968,6 +982,7 @@ def rename_section(self, section: str, new_name: str) -> "GitConfigParser":
        """
        if not self.has_section(section):
            raise ValueError("Source section '%s' doesn't exist" % section)
        if self.has_section(new_name):
            raise ValueError("Destination section '%s' already exists" % new_name)