python3-django: fix CVE-2025-26699

Reference:
https://nvd.nist.gov/vuln/detail/CVE-2025-26699

Upstream-patch:
https://github.com/django/django/commit/e88f7376fe68dbf4ebaf11fad1513ce700b45860

Signed-off-by: Saravanan <saravanan.kadambathursubramaniyam@windriver.com>
Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>

1 files changed, 107 insertions, 0 deletions

diff --git a/meta-python/recipes-devtools/python/python3-django/CVE-2025-26699.patch b/meta-python/recipes-devtools/python/python3-django/CVE-2025-26699.patch
new file mode 100644
index 0000000000..44e182057a
--- /dev/null
+++ b/meta-python/recipes-devtools/python/python3-django/CVE-2025-26699.patch
@@ -0,0 +1,107 @@
+From e88f7376fe68dbf4ebaf11fad1513ce700b45860 Mon Sep 17 00:00:00 2001
+From: Sarah Boyce <42296566+sarahboyce@users.noreply.github.com>
+Date: Tue, 25 Feb 2025 09:40:54 +0100
+Subject: [PATCH] Fixed CVE-2025-26699 -- Mitigated potential DoS in wordwrap
+ template filter.
+
+Thanks sw0rd1ight for the report.
+
+Backport of 55d89e25f4115c5674cdd9b9bcba2bb2bb6d820b from main.
+
+CVE: CVE-2025-26699
+
+Upstream-Status: Backport
+https://github.com/django/django/commit/e88f7376fe68dbf4ebaf11fad1513ce700b45860
+
+Signed-off-by: Sarah Boyce <42296566+sarahboyce@users.noreply.github.com>
+Signed-off-by: Saravanan <saravanan.kadambathursubramaniyam@windriver.com>
+
+%% original patch: CVE-2025-26699.patch
+---
+ django/utils/text.py                          | 28 ++++++++-----------
+ docs/releases/2.2.28.txt                      |  6 ++++
+ .../filter_tests/test_wordwrap.py             | 12 ++++++++
+ 3 files changed, 29 insertions(+), 17 deletions(-)
+
+diff --git a/django/utils/text.py b/django/utils/text.py
+index 2c4040e..c474d56 100644
+--- a/django/utils/text.py
++++ b/django/utils/text.py
+@@ -1,5 +1,6 @@
+ import html.entities
+ import re
++import textwrap
+ import unicodedata
+ from gzip import GzipFile
+ from io import BytesIO
+@@ -88,23 +89,16 @@ def wrap(text, width):
+     Don't wrap long words, thus the output text may have lines longer than
+     ``width``.
+     """
+-    def _generator():
+-        for line in text.splitlines(True):  # True keeps trailing linebreaks
+-            max_width = min((line.endswith('\n') and width + 1 or width), width)
+-            while len(line) > max_width:
+-                space = line[:max_width + 1].rfind(' ') + 1
+-                if space == 0:
+-                    space = line.find(' ') + 1
+-                    if space == 0:
+-                        yield line
+-                        line = ''
+-                        break
+-                yield '%s\n' % line[:space - 1]
+-                line = line[space:]
+-                max_width = min((line.endswith('\n') and width + 1 or width), width)
+-            if line:
+-                yield line
+-    return ''.join(_generator())
++
++    wrapper = textwrap.TextWrapper(
++        width=width,
++        break_long_words=False,
++        break_on_hyphens=False,
++    )
++    result = []
++    for line in text.splitlines(True):
++        result.extend(wrapper.wrap(line))
++    return "\n".join(result)
+ 
+ 
+ class Truncator(SimpleLazyObject):
+diff --git a/docs/releases/2.2.28.txt b/docs/releases/2.2.28.txt
+index 7227452..7096d13 100644
+--- a/docs/releases/2.2.28.txt
++++ b/docs/releases/2.2.28.txt
+@@ -99,3 +99,9 @@ CVE-2024-27351: Potential regular expression denial-of-service in ``django.utils
+ regular expression denial-of-service attack using a suitably crafted string
+ (follow up to :cve:`2019-14232` and :cve:`2023-43665`).
+ 
++CVE-2025-26699: Potential denial-of-service vulnerability in ``django.utils.text.wrap()``
++=========================================================================================
++
++The ``wrap()`` and :tfilter:`wordwrap` template filter were subject to a
++potential denial-of-service attack when used with very long strings.
++
+diff --git a/tests/template_tests/filter_tests/test_wordwrap.py b/tests/template_tests/filter_tests/test_wordwrap.py
+index 02f8605..e6f2afb 100644
+--- a/tests/template_tests/filter_tests/test_wordwrap.py
++++ b/tests/template_tests/filter_tests/test_wordwrap.py
+@@ -51,3 +51,15 @@ class FunctionTests(SimpleTestCase):
+             ), 14),
+             'this is a long\nparagraph of\ntext that\nreally needs\nto be wrapped\nI\'m afraid',
+         )
++
++    def test_wrap_long_text(self):
++        long_text = (
++            "this is a long paragraph of text that really needs"
++            " to be wrapped I'm afraid " * 20_000
++        )
++        self.assertIn(
++            "this is a\nlong\nparagraph\nof text\nthat\nreally\nneeds to\nbe wrapped\n"
++            "I'm afraid",
++            wordwrap(long_text, 10),
++        )
++
+-- 
+2.40.0
+