diff -Nru setuptools-66.1.1/debian/changelog setuptools-66.1.1/debian/changelog
--- setuptools-66.1.1/debian/changelog	2023-01-27 07:49:44.000000000 +0100
+++ setuptools-66.1.1/debian/changelog	2023-10-25 12:01:45.000000000 +0200
@@ -1,3 +1,9 @@
+setuptools (66.1.1-1ubuntu0.1) lunar; urgency=medium
+
+  * Make pkg_resources more forgiving of non-compliant versions (LP: #2008430)
+
+ -- Benjamin Drung <bdrung@ubuntu.com>  Wed, 25 Oct 2023 12:01:45 +0200
+
 setuptools (66.1.1-1) unstable; urgency=medium
 
   * New upstream version.
diff -Nru setuptools-66.1.1/debian/patches/Make-pkg_resources-more-forgiving-of-non-compliant-versio.patch setuptools-66.1.1/debian/patches/Make-pkg_resources-more-forgiving-of-non-compliant-versio.patch
--- setuptools-66.1.1/debian/patches/Make-pkg_resources-more-forgiving-of-non-compliant-versio.patch	1970-01-01 01:00:00.000000000 +0100
+++ setuptools-66.1.1/debian/patches/Make-pkg_resources-more-forgiving-of-non-compliant-versio.patch	2023-10-25 12:01:45.000000000 +0200
@@ -0,0 +1,105 @@
+From: Anderson Bravalheri <andersonbravalheri@gmail.com>
+Date: Mon, 27 Feb 2023 20:00:27 +0000
+Subject: Make pkg_resources more forgiving of non-compliant versions
+
+Bug-Ubuntu: https://launchpad.net/bugs/2008430
+Origin: upstream, https://github.com/pypa/setuptools/pull/3839
+---
+ pkg_resources/__init__.py | 63 ++++++++++++++++++++++++++++++++++++++++++++++-
+ 1 file changed, 62 insertions(+), 1 deletion(-)
+
+diff --git a/pkg_resources/__init__.py b/pkg_resources/__init__.py
+index 0ae951b..2a9f29b 100644
+--- a/pkg_resources/__init__.py
++++ b/pkg_resources/__init__.py
+@@ -112,6 +112,9 @@ _namespace_handlers = None
+ _namespace_packages = None
+ 
+ 
++_PEP440_FALLBACK = re.compile(r"^v?(?P<safe>(?:[0-9]+!)?[0-9]+(?:\.[0-9]+)*)", re.I)
++
++
+ class PEP440Warning(RuntimeWarning):
+     """
+     Used when there is an issue with a version or specifier not complying with
+@@ -1389,6 +1392,38 @@ def safe_version(version):
+         return re.sub('[^A-Za-z0-9.]+', '-', version)
+ 
+ 
++def _forgiving_version(version):
++    """Fallback when ``safe_version`` is not safe enough
++    >>> parse_version(_forgiving_version('0.23ubuntu1'))
++    <Version('0.23.dev0+sanitized.ubuntu1')>
++    >>> parse_version(_forgiving_version('0.23-'))
++    <Version('0.23.dev0+sanitized')>
++    >>> parse_version(_forgiving_version('0.-_'))
++    <Version('0.dev0+sanitized')>
++    >>> parse_version(_forgiving_version('42.+?1'))
++    <Version('42.dev0+sanitized.1')>
++    >>> parse_version(_forgiving_version('hello world'))
++    <Version('0.dev0+sanitized.hello.world')>
++    """
++    version = version.replace(' ', '.')
++    match = _PEP440_FALLBACK.search(version)
++    if match:
++        safe = match["safe"]
++        rest = version[len(safe):]
++    else:
++        safe = "0"
++        rest = version
++    local = f"sanitized.{_safe_segment(rest)}".strip(".")
++    return f"{safe}.dev0+{local}"
++
++
++def _safe_segment(segment):
++    """Convert an arbitrary string into a safe segment"""
++    segment = re.sub('[^A-Za-z0-9.]+', '-', segment)
++    segment = re.sub('-[^A-Za-z0-9]+', '-', segment)
++    return re.sub(r'\.[^A-Za-z0-9]+', '.', segment).strip(".-")
++
++
+ def safe_extra(extra):
+     """Convert an arbitrary string to a standard 'extra' name
+ 
+@@ -2628,7 +2663,7 @@ class Distribution:
+     @property
+     def hashcmp(self):
+         return (
+-            self.parsed_version,
++            self._forgiving_parsed_version,
+             self.precedence,
+             self.key,
+             self.location,
+@@ -2686,6 +2721,32 @@ class Distribution:
+ 
+         return self._parsed_version
+ 
++    @property
++    def _forgiving_parsed_version(self):
++        try:
++            return self.parsed_version
++        except packaging.version.InvalidVersion as ex:
++            self._parsed_version = parse_version(_forgiving_version(self.version))
++
++            notes = "\n".join(getattr(ex, "__notes__", []))  # PEP 678
++            msg = f"""!!\n\n
++            *************************************************************************
++            {str(ex)}\n{notes}
++
++            This is a long overdue deprecation.
++            For the time being, `pkg_resources` will use `{self._parsed_version}`
++            as a replacement to avoid breaking existing environments,
++            but no future compatibility is guaranteed.
++
++            If you maintain package {self.project_name} you should implement
++            the relevant changes to adequate the project to PEP 440 immediately.
++            *************************************************************************
++            \n\n!!
++            """
++            warnings.warn(msg, DeprecationWarning)
++
++            return self._parsed_version
++
+     @property
+     def version(self):
+         try:
diff -Nru setuptools-66.1.1/debian/patches/series setuptools-66.1.1/debian/patches/series
--- setuptools-66.1.1/debian/patches/series	2022-09-14 16:54:08.000000000 +0200
+++ setuptools-66.1.1/debian/patches/series	2023-10-25 12:01:45.000000000 +0200
@@ -14,3 +14,4 @@
 sphinx-theme.diff
 no-sphinx-custom-icons.diff
 no-sphinx-hoverxref.diff
+Make-pkg_resources-more-forgiving-of-non-compliant-versio.patch