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python3-django: fix CVE-2025-26699
Reference:
https://nvd.nist.gov/vuln/detail/CVE-2025-26699
Upstream-patch:
e88f7376fe
Signed-off-by: Saravanan <saravanan.kadambathursubramaniyam@windriver.com>
Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
This commit is contained in:
parent
666ec505b4
commit
540b79e3ee
@ -0,0 +1,106 @@
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From e88f7376fe68dbf4ebaf11fad1513ce700b45860 Mon Sep 17 00:00:00 2001
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From: Sarah Boyce <42296566+sarahboyce@users.noreply.github.com>
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Date: Tue, 25 Feb 2025 09:40:54 +0100
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Subject: [PATCH] Fixed CVE-2025-26699 -- Mitigated potential DoS in wordwrap
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template filter.
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Thanks sw0rd1ight for the report.
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Backport of 55d89e25f4115c5674cdd9b9bcba2bb2bb6d820b from main.
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CVE: CVE-2025-26699
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Upstream-Status: Backport
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https://github.com/django/django/commit/e88f7376fe68dbf4ebaf11fad1513ce700b45860
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Signed-off-by: Sarah Boyce <42296566+sarahboyce@users.noreply.github.com>
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Signed-off-by: Saravanan <saravanan.kadambathursubramaniyam@windriver.com>
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---
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django/utils/text.py | 27 +++++++------------
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docs/releases/3.2.25.txt | 6 +++++
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.../filter_tests/test_wordwrap.py | 11 ++++++++
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3 files changed, 27 insertions(+), 17 deletions(-)
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diff --git a/django/utils/text.py b/django/utils/text.py
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index 88da9a2..cabd76f 100644
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--- a/django/utils/text.py
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+++ b/django/utils/text.py
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@@ -1,5 +1,6 @@
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import html.entities
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import re
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+import textwrap
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import unicodedata
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import warnings
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from gzip import GzipFile
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@@ -91,23 +92,15 @@ def wrap(text, width):
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Don't wrap long words, thus the output text may have lines longer than
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``width``.
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"""
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- def _generator():
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- for line in text.splitlines(True): # True keeps trailing linebreaks
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- max_width = min((line.endswith('\n') and width + 1 or width), width)
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- while len(line) > max_width:
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- space = line[:max_width + 1].rfind(' ') + 1
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- if space == 0:
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- space = line.find(' ') + 1
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- if space == 0:
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- yield line
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- line = ''
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- break
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- yield '%s\n' % line[:space - 1]
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- line = line[space:]
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- max_width = min((line.endswith('\n') and width + 1 or width), width)
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- if line:
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- yield line
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- return ''.join(_generator())
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+ wrapper = textwrap.TextWrapper(
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+ width=width,
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+ break_long_words=False,
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+ break_on_hyphens=False,
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+ )
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+ result = []
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+ for line in text.splitlines(True):
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+ result.extend(wrapper.wrap(line))
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+ return "\n".join(result)
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class Truncator(SimpleLazyObject):
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diff --git a/docs/releases/3.2.25.txt b/docs/releases/3.2.25.txt
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index a3a9098..f8d9ce2 100644
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--- a/docs/releases/3.2.25.txt
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+++ b/docs/releases/3.2.25.txt
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@@ -15,6 +15,12 @@ CVE-2024-27351: Potential regular expression denial-of-service in ``django.utils
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regular expression denial-of-service attack using a suitably crafted string
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(follow up to :cve:`2019-14232` and :cve:`2023-43665`).
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+CVE-2025-26699: Potential denial-of-service vulnerability in ``django.utils.text.wrap()``
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+=========================================================================================
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+
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+The ``wrap()`` and :tfilter:`wordwrap` template filter were subject to a
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+potential denial-of-service attack when used with very long strings.
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+
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Bugfixes
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========
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diff --git a/tests/template_tests/filter_tests/test_wordwrap.py b/tests/template_tests/filter_tests/test_wordwrap.py
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index 02f8605..f61842c 100644
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--- a/tests/template_tests/filter_tests/test_wordwrap.py
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+++ b/tests/template_tests/filter_tests/test_wordwrap.py
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@@ -51,3 +51,14 @@ class FunctionTests(SimpleTestCase):
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), 14),
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'this is a long\nparagraph of\ntext that\nreally needs\nto be wrapped\nI\'m afraid',
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)
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+
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+ def test_wrap_long_text(self):
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+ long_text = (
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+ "this is a long paragraph of text that really needs"
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+ " to be wrapped I'm afraid " * 20_000
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+ )
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+ self.assertIn(
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+ "this is a\nlong\nparagraph\nof text\nthat\nreally\nneeds to\nbe wrapped\n"
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+ "I'm afraid",
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+ wordwrap(long_text, 10),
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+ )
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--
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2.40.0
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@ -0,0 +1,107 @@
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From e88f7376fe68dbf4ebaf11fad1513ce700b45860 Mon Sep 17 00:00:00 2001
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From: Sarah Boyce <42296566+sarahboyce@users.noreply.github.com>
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Date: Tue, 25 Feb 2025 09:40:54 +0100
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Subject: [PATCH] Fixed CVE-2025-26699 -- Mitigated potential DoS in wordwrap
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template filter.
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Thanks sw0rd1ight for the report.
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Backport of 55d89e25f4115c5674cdd9b9bcba2bb2bb6d820b from main.
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CVE: CVE-2025-26699
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Upstream-Status: Backport
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https://github.com/django/django/commit/e88f7376fe68dbf4ebaf11fad1513ce700b45860
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Signed-off-by: Sarah Boyce <42296566+sarahboyce@users.noreply.github.com>
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Signed-off-by: Saravanan <saravanan.kadambathursubramaniyam@windriver.com>
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%% original patch: CVE-2025-26699.patch
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---
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django/utils/text.py | 28 ++++++++-----------
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docs/releases/2.2.28.txt | 6 ++++
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.../filter_tests/test_wordwrap.py | 12 ++++++++
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3 files changed, 29 insertions(+), 17 deletions(-)
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diff --git a/django/utils/text.py b/django/utils/text.py
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index 2c4040e..c474d56 100644
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--- a/django/utils/text.py
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+++ b/django/utils/text.py
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@@ -1,5 +1,6 @@
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import html.entities
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import re
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+import textwrap
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import unicodedata
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from gzip import GzipFile
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from io import BytesIO
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@@ -88,23 +89,16 @@ def wrap(text, width):
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Don't wrap long words, thus the output text may have lines longer than
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``width``.
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"""
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- def _generator():
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- for line in text.splitlines(True): # True keeps trailing linebreaks
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- max_width = min((line.endswith('\n') and width + 1 or width), width)
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- while len(line) > max_width:
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- space = line[:max_width + 1].rfind(' ') + 1
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- if space == 0:
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- space = line.find(' ') + 1
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- if space == 0:
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- yield line
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- line = ''
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- break
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- yield '%s\n' % line[:space - 1]
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- line = line[space:]
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- max_width = min((line.endswith('\n') and width + 1 or width), width)
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- if line:
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- yield line
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- return ''.join(_generator())
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+
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+ wrapper = textwrap.TextWrapper(
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+ width=width,
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+ break_long_words=False,
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+ break_on_hyphens=False,
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+ )
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+ result = []
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+ for line in text.splitlines(True):
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+ result.extend(wrapper.wrap(line))
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+ return "\n".join(result)
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class Truncator(SimpleLazyObject):
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diff --git a/docs/releases/2.2.28.txt b/docs/releases/2.2.28.txt
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index 7227452..7096d13 100644
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--- a/docs/releases/2.2.28.txt
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+++ b/docs/releases/2.2.28.txt
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@@ -99,3 +99,9 @@ CVE-2024-27351: Potential regular expression denial-of-service in ``django.utils
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regular expression denial-of-service attack using a suitably crafted string
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(follow up to :cve:`2019-14232` and :cve:`2023-43665`).
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+CVE-2025-26699: Potential denial-of-service vulnerability in ``django.utils.text.wrap()``
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+=========================================================================================
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+
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+The ``wrap()`` and :tfilter:`wordwrap` template filter were subject to a
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+potential denial-of-service attack when used with very long strings.
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+
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diff --git a/tests/template_tests/filter_tests/test_wordwrap.py b/tests/template_tests/filter_tests/test_wordwrap.py
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index 02f8605..e6f2afb 100644
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--- a/tests/template_tests/filter_tests/test_wordwrap.py
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+++ b/tests/template_tests/filter_tests/test_wordwrap.py
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@@ -51,3 +51,15 @@ class FunctionTests(SimpleTestCase):
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), 14),
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'this is a long\nparagraph of\ntext that\nreally needs\nto be wrapped\nI\'m afraid',
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)
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+
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+ def test_wrap_long_text(self):
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+ long_text = (
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+ "this is a long paragraph of text that really needs"
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+ " to be wrapped I'm afraid " * 20_000
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+ )
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+ self.assertIn(
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+ "this is a\nlong\nparagraph\nof text\nthat\nreally\nneeds to\nbe wrapped\n"
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+ "I'm afraid",
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+ wordwrap(long_text, 10),
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+ )
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+
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--
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2.40.0
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@ -25,6 +25,7 @@ SRC_URI += "file://CVE-2023-31047.patch \
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file://CVE-2024-45231.patch \
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file://CVE-2024-53907.patch \
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file://CVE-2024-27351.patch \
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file://CVE-2025-26699.patch \
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"
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SRC_URI[sha256sum] = "0200b657afbf1bc08003845ddda053c7641b9b24951e52acd51f6abda33a7413"
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@ -6,6 +6,9 @@ SRC_URI[sha256sum] = "7ca38a78654aee72378594d63e51636c04b8e28574f5505dff630895b5
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RDEPENDS:${PN} += "\
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${PYTHON_PN}-sqlparse \
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"
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SRC_URI += "\
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file://CVE-2025-26699.patch \
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"
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# Set DEFAULT_PREFERENCE so that the LTS version of django is built by
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# default. To build the 3.x branch,
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