diff --git a/libxml2-2.12.5-CVE-2025-32414.patch b/libxml2-2.12.5-CVE-2025-32414.patch
new file mode 100644
index 0000000..c09c24e
--- /dev/null
+++ b/libxml2-2.12.5-CVE-2025-32414.patch
@@ -0,0 +1,73 @@
+From 443a9c89115203e5bd88fb136e256267b90cb78e Mon Sep 17 00:00:00 2001
+From: Maks Verver <maks@verver.ch>
+Date: Tue, 8 Apr 2025 13:13:55 +0200
+Subject: [PATCH] [CVE-2025-32414] python: Read at most len/4 characters.
+
+Fixes #889 by reserving space in the buffer for UTF-8 encoding of text.
+---
+ python/libxml.c | 28 ++++++++++++++++++----------
+ 1 file changed, 18 insertions(+), 10 deletions(-)
+
+diff --git a/python/libxml.c b/python/libxml.c
+index 98f04b6b2..16f7c9953 100644
+--- a/python/libxml.c
++++ b/python/libxml.c
+@@ -237,7 +237,9 @@ xmlPythonFileReadRaw (void * context, char * buffer, int len) {
+ 
+     file = (PyObject *) context;
+     if (file == NULL) return(-1);
+-    ret = PyObject_CallMethod(file, (char *) "read", (char *) "(i)", len);
++    /* When read() returns a string, the length is in characters not bytes, so
++       request at most len / 4 characters to leave space for UTF-8 encoding. */
++    ret = PyObject_CallMethod(file, (char *) "read", (char *) "(i)", len / 4);
+     if (ret == NULL) {
+ 	printf("xmlPythonFileReadRaw: result is NULL\n");
+ 	return(-1);
+@@ -272,10 +274,12 @@ xmlPythonFileReadRaw (void * context, char * buffer, int len) {
+ 	Py_DECREF(ret);
+ 	return(-1);
+     }
+-    if (lenread > len)
+-	memcpy(buffer, data, len);
+-    else
+-	memcpy(buffer, data, lenread);
++    if (lenread < 0 || lenread > len) {
++	printf("xmlPythonFileReadRaw: invalid lenread\n");
++	Py_DECREF(ret);
++	return(-1);
++    }
++    memcpy(buffer, data, lenread);
+     Py_DECREF(ret);
+     return(lenread);
+ }
+@@ -299,7 +303,9 @@ xmlPythonFileRead (void * context, char * buffer, int len) {
+ 
+     file = (PyObject *) context;
+     if (file == NULL) return(-1);
+-    ret = PyObject_CallMethod(file, (char *) "io_read", (char *) "(i)", len);
++    /* When io_read() returns a string, the length is in characters not bytes, so
++       request at most len / 4 characters to leave space for UTF-8 encoding. */
++    ret = PyObject_CallMethod(file, (char *) "io_read", (char *) "(i)", len / 4);
+     if (ret == NULL) {
+ 	printf("xmlPythonFileRead: result is NULL\n");
+ 	return(-1);
+@@ -334,10 +340,12 @@ xmlPythonFileRead (void * context, char * buffer, int len) {
+ 	Py_DECREF(ret);
+ 	return(-1);
+     }
+-    if (lenread > len)
+-	memcpy(buffer, data, len);
+-    else
+-	memcpy(buffer, data, lenread);
++    if (lenread < 0 || lenread > len) {
++	printf("xmlPythonFileRead: invalid lenread\n");
++	Py_DECREF(ret);
++	return(-1);
++    }
++    memcpy(buffer, data, lenread);
+     Py_DECREF(ret);
+     return(lenread);
+ }
+-- 
+GitLab
+
diff --git a/libxml2.spec b/libxml2.spec
index b25df7b..a2981fb 100644
--- a/libxml2.spec
+++ b/libxml2.spec
@@ -35,6 +35,8 @@ Patch7:         libxml2-2.12.5-CVE-2025-49795.patch
 Patch8:         libxml2-2.12.5-CVE-2025-7425.patch
 # https://issues.redhat.com/browse/RHEL-100174
 Patch9:         libxml2-2.12.5-CVE-2025-32415.patch
+# https://issues.redhat.com/browse/RHEL-99861
+Patch10:        libxml2-2.12.5-CVE-2025-32414.patch
 
 BuildRequires:  cmake-rpm-macros
 BuildRequires:  gcc
@@ -177,6 +179,7 @@ popd
 %changelog
 * Tue Aug 05 2025 David King <dking@redhat.com> - 2.12.5-9
 - Fix CVE-2025-32415 (RHEL-100174)
+- Fix CVE-2025-32414 (RHEL-99861)
 
 * Mon Jul 21 2025 David King <dking@redhat.com> - 2.12.5-8
 - Fix CVE-2025-7425 (RHEL-102794)