diff --git a/qt5-qtbase.spec b/qt5-qtbase.spec
index 558e708fcfab5f90787ae47de717589f17c79058..908ef080a5e6feb40af136420a090de57926bca6 100644
--- a/qt5-qtbase.spec
+++ b/qt5-qtbase.spec
@@ -13,7 +13,7 @@
 Name:             qt5-qtbase
 Summary:          Core component of Qt toolkit
 Version:          5.11.1
-Release:          20
+Release:          21
 License:          LGPLv2 with exceptions or GPLv3 with exceptions
 Url:              http://qt-project.org/
 Source0:          https://download.qt.io/new_archive/qt/5.11/%{version}/submodules/qtbase-everywhere-src-%{version}.tar.xz
@@ -56,6 +56,7 @@ Patch6012:        qtbase5.11.1-CVE-2023-34410.patch
 Patch6013:        qtbase5.11.1-CVE-2023-38197.patch
 #https://codereview.qt-project.org/c/qt/qtbase/+/503026
 Patch6014:        qtbase5.11.1-CVE-2023-43114.patch
+Patch6015:        qtbase5.11.1-CVE-2023-51714.patch
 
 BuildRequires:    pkgconfig(libsystemd) cups-devel desktop-file-utils findutils
 BuildRequires:    libjpeg-devel libmng-devel libtiff-devel pkgconfig(alsa)
@@ -423,6 +424,9 @@ fi
 
 
 %changelog
+* Wed Jan 31 2024 douyan <douyan@kylinos.cn> - 5.11.1-21
+- add qtbase5.11.1-CVE-2023-51714.patch
+
 * Sat Nov 25 2023 hua_yadong <huayadong@kylinos.cn> - 5.11.1-20
 - Fix qtbase5.11.1-CVE-2023-43114.patch 
 
diff --git a/qtbase5.11.1-CVE-2023-51714.patch b/qtbase5.11.1-CVE-2023-51714.patch
new file mode 100644
index 0000000000000000000000000000000000000000..24f2077dbe1b4aa8488a154ca0afeeba40dbd84c
--- /dev/null
+++ b/qtbase5.11.1-CVE-2023-51714.patch
@@ -0,0 +1,38 @@
+From 7743b020c54b4ac7152be1305ad61c6a8fdc604d Mon Sep 17 00:00:00 2001
+From: peijiankang <peijiankang@kylinos.cn>
+Date: Wed, 31 Jan 2024 13:43:57 +0800
+Subject: [PATCH] qtbase5.11.1-CVE-2023-51714
+
+---
+ src/network/access/http2/hpacktable.cpp | 8 +++++---
+ 1 file changed, 5 insertions(+), 3 deletions(-)
+
+diff --git a/src/network/access/http2/hpacktable.cpp b/src/network/access/http2/hpacktable.cpp
+index a90ee72d..4f452ad0 100644
+--- a/src/network/access/http2/hpacktable.cpp
++++ b/src/network/access/http2/hpacktable.cpp
+@@ -40,6 +40,7 @@
+ #include "hpacktable_p.h"
+ 
+ #include <QtCore/qdebug.h>
++#include <QtCore/private/qnumeric_p.h>
+ 
+ #include <algorithm>
+ #include <cstring>
+@@ -60,9 +61,10 @@ HeaderSize entry_size(const QByteArray &name, const QByteArray &value)
+     // to reference the name and the value of the entry and two 64-bit integers
+     // for counting the number of references to the name and value would have
+     // 32 octets of overhead."
+-
+-    const unsigned sum = unsigned(name.size()) + value.size();
+-    if (std::numeric_limits<unsigned>::max() - 32 < sum)
++    size_t sum;
++    if (add_overflow(size_t(name.size()), size_t(value.size()), &sum))
++        return HeaderSize();
++    if (sum > (std::numeric_limits<unsigned>::max() - 32))
+         return HeaderSize();
+     return HeaderSize(true, quint32(sum + 32));
+ }
+-- 
+2.41.0
+