[whinlatter] python3-urllib3: patch CVE-2026-21441

diff --git a/meta/recipes-devtools/python/python3-urllib3/CVE-2026-21441.patch b/meta/recipes-devtools/python/python3-urllib3/CVE-2026-21441.patch
new file mode 100644
index 0000000000..f3a6013817
--- /dev/null
+++ b/meta/recipes-devtools/python/python3-urllib3/CVE-2026-21441.patch
@@ -0,0 +1,111 @@ 
+From 8864ac407bba8607950025e0979c4c69bc7abc7b Mon Sep 17 00:00:00 2001
+From: Illia Volochii <illia.volochii@gmail.com>
+Date: Wed, 7 Jan 2026 18:07:30 +0200
+Subject: [PATCH] Merge commit from fork
+
+* Stop decoding response content during redirects needlessly
+
+* Rename the new query parameter
+
+* Add a changelog entry
+
+CVE: CVE-2026-21441
+Upstream-Status: Backport [https://github.com/urllib3/urllib3/commit/8864ac407bba8607950025e0979c4c69bc7abc7b]
+Signed-off-by: Peter Marko <peter.marko@siemens.com>
+---
+ CHANGES.rst                                  | 13 +++++++++++++
+ dummyserver/app.py                           |  8 +++++++-
+ src/urllib3/response.py                      |  6 +++++-
+ test/with_dummyserver/test_connectionpool.py | 19 +++++++++++++++++++
+ 4 files changed, 44 insertions(+), 2 deletions(-)
+
+diff --git a/CHANGES.rst b/CHANGES.rst
+index 2de9f016..4c0b9cea 100644
+--- a/CHANGES.rst
++++ b/CHANGES.rst
+@@ -1,3 +1,16 @@
++(TBD)
++==================
++
++Bugfixes
++--------
++
++- Fixed a high-severity security issue where decompression-bomb safeguards of
++  the streaming API were bypassed when HTTP redirects were followed.
++  (`GHSA-38jv-5279-wg99 <https://github.com/urllib3/urllib3/security/advisories/GHSA-38jv-5279-wg99>`__)
++
++TODO: add other entries.
++
++
+ 2.5.0 (2025-06-18)
+ ==================
+ 
+diff --git a/dummyserver/app.py b/dummyserver/app.py
+index 0eeb93f7..5b82e932 100644
+--- a/dummyserver/app.py
++++ b/dummyserver/app.py
+@@ -233,10 +233,16 @@ async def redirect() -> ResponseReturnValue:
+     values = await request.values
+     target = values.get("target", "/")
+     status = values.get("status", "303 See Other")
++    compressed = values.get("compressed") == "true"
+     status_code = status.split(" ")[0]
+ 
+     headers = [("Location", target)]
+-    return await make_response("", status_code, headers)
++    if compressed:
++        headers.append(("Content-Encoding", "gzip"))
++        data = gzip.compress(b"foo")
++    else:
++        data = b""
++    return await make_response(data, status_code, headers)
+ 
+ 
+ @hypercorn_app.route("/redirect_after")
+diff --git a/src/urllib3/response.py b/src/urllib3/response.py
+index f6266f1a..ff6d1f49 100644
+--- a/src/urllib3/response.py
++++ b/src/urllib3/response.py
+@@ -687,7 +687,11 @@ class HTTPResponse(BaseHTTPResponse):
+         Unread data in the HTTPResponse connection blocks the connection from being released back to the pool.
+         """
+         try:
+-            self.read()
++            self.read(
++                # Do not spend resources decoding the content unless
++                # decoding has already been initiated.
++                decode_content=self._has_decoded_content,
++            )
+         except (HTTPError, OSError, BaseSSLError, HTTPException):
+             pass
+ 
+diff --git a/test/with_dummyserver/test_connectionpool.py b/test/with_dummyserver/test_connectionpool.py
+index ce165e24..8d6107ae 100644
+--- a/test/with_dummyserver/test_connectionpool.py
++++ b/test/with_dummyserver/test_connectionpool.py
+@@ -508,6 +508,25 @@ class TestConnectionPool(HypercornDummyServerTestCase):
+             assert r.status == 200
+             assert r.data == b"Dummy server!"
+ 
++    @mock.patch("urllib3.response.GzipDecoder.decompress")
++    def test_no_decoding_with_redirect_when_preload_disabled(
++        self, gzip_decompress: mock.MagicMock
++    ) -> None:
++        """
++        Test that urllib3 does not attempt to decode a gzipped redirect
++        response when `preload_content` is set to `False`.
++        """
++        with HTTPConnectionPool(self.host, self.port) as pool:
++            # Three requests are expected: two redirects and one final / 200 OK.
++            response = pool.request(
++                "GET",
++                "/redirect",
++                fields={"target": "/redirect?compressed=true", "compressed": "true"},
++                preload_content=False,
++            )
++        assert response.status == 200
++        gzip_decompress.assert_not_called()
++
+     def test_303_redirect_makes_request_lose_body(self) -> None:
+         with HTTPConnectionPool(self.host, self.port) as pool:
+             response = pool.request(
diff --git a/meta/recipes-devtools/python/python3-urllib3_2.5.0.bb b/meta/recipes-devtools/python/python3-urllib3_2.5.0.bb
index c39e9676e8..7892fc0874 100644
--- a/meta/recipes-devtools/python/python3-urllib3_2.5.0.bb
+++ b/meta/recipes-devtools/python/python3-urllib3_2.5.0.bb
@@ -9,6 +9,7 @@  inherit pypi python_hatchling
 
 SRC_URI += "\
     file://CVE-2025-66418.patch \
+    file://CVE-2026-21441.patch \
 "
 
 DEPENDS += "python3-hatch-vcs-native"