!159 fix CVE-2025-26699
From: @changtao615 Reviewed-by: @cherry530 Signed-off-by: @cherry530
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commit
e3a505e06f
102
CVE-2025-26699.patch
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102
CVE-2025-26699.patch
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From 4f2765232336b8ad0afd8017d9d912ae93470017 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] [5.0.x] Fixed CVE-2025-26699 -- Mitigated potential DoS in
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wordwrap template filter.
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Thanks sw0rd1ight for the report.
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Backport of 55d89e25f4115c5674cdd9b9bcba2bb2bb6d820b from main.
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---
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django/utils/text.py | 28 +++++++------------
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docs/releases/2.2.27.txt | 8 +++++-
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.../filter_tests/test_wordwrap.py | 11 ++++++++
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3 files changed, 28 insertions(+), 19 deletions(-)
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diff --git a/django/utils/text.py b/django/utils/text.py
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index 6631a00..c44d452 100644
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--- a/django/utils/text.py
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+++ b/django/utils/text.py
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@@ -1,6 +1,7 @@
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import html.entities
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import re
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import unicodedata
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+import textwrap
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from gzip import GzipFile
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from io import BytesIO
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@@ -88,24 +89,15 @@ 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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-
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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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"""
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diff --git a/docs/releases/2.2.27.txt b/docs/releases/2.2.27.txt
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index 688a482..f34bef8 100644
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--- a/docs/releases/2.2.27.txt
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+++ b/docs/releases/2.2.27.txt
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@@ -4,7 +4,13 @@ Django 2.2.27 release notes
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*February 1, 2022*
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-Django 2.2.27 fixes two security issues with severity "medium" in 2.2.26.
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+Django 2.2.27 fixes three security issues with severity "medium" in 2.2.26.
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+
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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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CVE-2022-22818: Possible XSS via ``{% debug %}`` template tag
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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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2.46.0
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%global _empty_manifest_terminate_build 0
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%global _empty_manifest_terminate_build 0
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Name: python-django
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Name: python-django
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Version: 2.2.27
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Version: 2.2.27
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Release: 14
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Release: 15
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Summary: A high-level Python Web framework that encourages rapid development and clean, pragmatic design.
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Summary: A high-level Python Web framework that encourages rapid development and clean, pragmatic design.
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License: Apache-2.0 and Python-2.0 and OFL-1.1 and MIT
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License: Apache-2.0 and Python-2.0 and OFL-1.1 and MIT
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URL: https://www.djangoproject.com/
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URL: https://www.djangoproject.com/
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@ -38,6 +38,7 @@ Patch19: CVE-2024-45230.patch
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Patch20: CVE-2024-45231.patch
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Patch20: CVE-2024-45231.patch
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Patch21: CVE-2024-53907.patch
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Patch21: CVE-2024-53907.patch
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Patch22: CVE-2024-56374.patch
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Patch22: CVE-2024-56374.patch
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Patch23: CVE-2025-26699.patch
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BuildArch: noarch
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BuildArch: noarch
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%description
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%description
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@ -104,6 +105,12 @@ mv %{buildroot}/doclist.lst .
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%{_docdir}/*
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%{_docdir}/*
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%changelog
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%changelog
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* Wed Mar 12 2025 changtao <changtao@kylinos.cn> - 2.2.27-15
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- Type:CVE
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- CVE:CVE-2025-26699
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- SUG:NA
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- DESC:fix CVE-2025-26699
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* Fri Jan 17 2025 caodongxia <caodongxia@h-partners.com> - 2.2.27-14
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* Fri Jan 17 2025 caodongxia <caodongxia@h-partners.com> - 2.2.27-14
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- Fix CVE-2024-56374
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- Fix CVE-2024-56374
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