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-rw-r--r--docs/releases/4.2.26.txt10
1 files changed, 9 insertions, 1 deletions
diff --git a/docs/releases/4.2.26.txt b/docs/releases/4.2.26.txt
index e0db257c04..ae274c3361 100644
--- a/docs/releases/4.2.26.txt
+++ b/docs/releases/4.2.26.txt
@@ -7,4 +7,12 @@ Django 4.2.26 release notes
Django 4.2.26 fixes one security issue with severity "high" and one security
issue with severity "moderate" in 4.2.25.
-...
+CVE-2025-64458: Potential denial-of-service vulnerability in ``HttpResponseRedirect`` and ``HttpResponsePermanentRedirect`` on Windows
+======================================================================================================================================
+
+Python's :func:`NFKC normalization <python:unicodedata.normalize>` is slow on
+Windows. As a consequence, :class:`~django.http.HttpResponseRedirect`,
+:class:`~django.http.HttpResponsePermanentRedirect`, and the shortcut
+:func:`redirect() <django.shortcuts.redirect>` were subject to a potential
+denial-of-service attack via certain inputs with a very large number of Unicode
+characters (follow up to :cve:`2025-27556`).