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python3-django: (v3.2.25) fix ipv6 validation

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This patch is only for python3-django_3.2.25.

The URL validator didn't detect invalid IPv6 addresses, treating them
as correct ones, making a testcase fail. (Also, according to the comment,
it could also crash in some cases, though I haven't encountered that)

This backported patch mitigates this behavior.

Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
This commit is contained in:
Gyorgy Sarvari
2026-01-15 13:24:34 +01:00
parent 62927185fe
commit 08466c714f
2 changed files with 57 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
meta-python/recipes-devtools/python/python3-django-3.2.25/0001-Fixed-33367-Fixed-URLValidator-crash-in-some-edge-ca.patch
+56
View File
@@ -0,0 +1,56 @@
From 065b10e2757af671f3e64f0c8714e6f2e4eca727 Mon Sep 17 00:00:00 2001
From: Gyorgy Sarvari <skandigraun@gmail.com>
Date: Wed, 15 Dec 2021 11:55:19 -0300
Subject: [PATCH] Fixed #33367 -- Fixed URLValidator crash in some edge cases.
From: mendespedro <windowsxpedro@gmail.com>
Upstream-Status: Backport [https://github.com/django/django/commit/e8b4feddc34ffe5759ec21da8fa027e86e653f1c]
Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
---
django/core/validators.py | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)
diff --git a/django/core/validators.py b/django/core/validators.py
index 94cc3bf..03cd9b8 100644
--- a/django/core/validators.py
+++ b/django/core/validators.py
@@ -111,15 +111,16 @@ class URLValidator(RegexValidator):
raise ValidationError(self.message, code=self.code, params={'value': value})
# Then check full URL
+ try:
+ splitted_url = urlsplit(value)
+ except ValueError:
+ raise ValidationError(self.message, code=self.code, params={'value': value})
try:
super().__call__(value)
except ValidationError as e:
# Trivial case failed. Try for possible IDN domain
if value:
- try:
- scheme, netloc, path, query, fragment = urlsplit(value)
- except ValueError: # for example, "Invalid IPv6 URL"
- raise ValidationError(self.message, code=self.code, params={'value': value})
+ scheme, netloc, path, query, fragment = splitted_url
try:
netloc = punycode(netloc) # IDN -> ACE
except UnicodeError: # invalid domain part
@@ -130,7 +131,7 @@ class URLValidator(RegexValidator):
raise
else:
# Now verify IPv6 in the netloc part
- host_match = re.search(r'^\[(.+)\](?::\d{2,5})?$', urlsplit(value).netloc)
+ host_match = re.search(r'^\[(.+)\](?::\d{2,5})?$', splitted_url.netloc)
if host_match:
potential_ip = host_match[1]
try:
@@ -142,7 +143,7 @@ class URLValidator(RegexValidator):
# section 3.1. It's defined to be 255 bytes or less, but this includes
# one byte for the length of the name and one byte for the trailing dot
# that's used to indicate absolute names in DNS.
- if len(urlsplit(value).hostname) > 253:
+ if splitted_url.hostname is None or len(splitted_url.hostname) > 253:
raise ValidationError(self.message, code=self.code, params={'value': value})
meta-python/recipes-devtools/python/python3-django_3.2.25.bb
+1
View File
@@ -15,6 +15,7 @@ SRC_URI += "\
file://CVE-2024-41991.patch \
file://CVE-2024-53907.patch \
file://CVE-2025-32873.patch \
file://0001-Fixed-33367-Fixed-URLValidator-crash-in-some-edge-ca.patch \
"
# Set DEFAULT_PREFERENCE so that the LTS version of django is built by