diff --git a/chapter01/changelog.xml b/chapter01/changelog.xml
index 153d9e4..8e6d630 100644
--- a/chapter01/changelog.xml
+++ b/chapter01/changelog.xml
@@ -39,6 +39,16 @@
     appropriate for the entry or if needed the entire day's listitem.
     -->
 
+    <listitem>
+      <para>2023-09-24</para>
+      <itemizedlist>
+        <listitem>
+          <para>[xry111] - Update Glibc upstream fixes patch to plug a
+          memory leak introduced by the security fix.</para>
+        </listitem>
+      </itemizedlist>
+    </listitem>
+
     <listitem>
       <para>2023-09-17</para>
       <itemizedlist>
diff --git a/patches.ent b/patches.ent
index 828c439..40875f0 100644
--- a/patches.ent
+++ b/patches.ent
@@ -14,9 +14,9 @@
 <!ENTITY glibc-fhs-patch-md5 "9a5997c3452909b1769918c759eff8a2">
 <!ENTITY glibc-fhs-patch-size "2.8 KB">
 
-<!ENTITY glibc-upstream-fixes-patch "glibc-&glibc-version;-upstream_fixes-1.patch">
-<!ENTITY glibc-upstream-fixes-patch-md5 "2e347e291804b62a18a43a8cdc79e01e">
-<!ENTITY glibc-upstream-fixes-patch-size "24 KB">
+<!ENTITY glibc-upstream-fixes-patch "glibc-&glibc-version;-upstream_fixes-2.patch">
+<!ENTITY glibc-upstream-fixes-patch-md5 "a5a06adb7f61dcc901f35d810ac8a1c0">
+<!ENTITY glibc-upstream-fixes-patch-size "28 KB">
 
 <!ENTITY grub-upstream-fixes-patch "grub-&grub-version;-upstream_fixes-1.patch">
 <!ENTITY grub-upstream-fixes-patch-md5 "da388905710bb4cbfbc7bd7346ff9174">