diff --git a/backport-CVE-2024-34459.patch b/backport-CVE-2024-34459.patch
new file mode 100644
index 0000000000000000000000000000000000000000..d959e51cb29874fe02b740109de2745d8c34e34b
--- /dev/null
+++ b/backport-CVE-2024-34459.patch
@@ -0,0 +1,26 @@
+From 2876ac5392a4e891b81e40e592c3ac6cb46016ce Mon Sep 17 00:00:00 2001
+From: Nick Wellnhofer <wellnhofer@aevum.de>
+Date: Tue, 14 May 2024 08:50:50 +0800
+Subject: [PATCH] [CVE-2024-34459] Fix buffer overread with `xmllint --htmlout`
+
+Add a missing bounds check.
+---
+ xmllint.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/xmllint.c b/xmllint.c
+index 398670b..3f4bfb2 100644
+--- a/xmllint.c
++++ b/xmllint.c
+@@ -559,7 +559,7 @@ xmlHTMLPrintFileContext(xmlParserInputPtr input) {
+     len = strlen(buffer);
+     snprintf(&buffer[len], sizeof(buffer) - len, "\n");
+     cur = input->cur;
+-    while ((*cur == '\n') || (*cur == '\r'))
++    while ((cur > base) && ((*cur == '\n') || (*cur == '\r')))
+ 	cur--;
+     n = 0;
+     while ((cur != base) && (n++ < 80)) {
+-- 
+2.33.0
+
diff --git a/libxml2.spec b/libxml2.spec
index 295ab9982274d82c21a71d562a804fa992e8e480..1cdc431cc1688639954c0c3fc27b44befa0c313c 100644
--- a/libxml2.spec
+++ b/libxml2.spec
@@ -1,7 +1,7 @@
 Summary: Library providing XML and HTML support
 Name: libxml2
 Version: 2.11.5
-Release: 2
+Release: 3
 License: MIT
 Group: Development/Libraries
 Source: https://download.gnome.org/sources/%{name}/2.11/%{name}-%{version}.tar.xz
@@ -11,6 +11,7 @@ Patch1: backport-CVE-2023-45322.patch
 Patch2: backport-xpath-Remove-remaining-references-to-valueFrame.patch
 Patch3: backport-examples-Don-t-call-xmlCleanupParser-and-xmlMemoryDu.patch
 Patch4: backport-CVE-2024-25062.patch
+Patch5: backport-CVE-2024-34459.patch
 
 BuildRoot: %{_tmppath}/%{name}-%{version}-root
 BuildRequires: python3-devel
@@ -162,6 +163,12 @@ rm -fr %{buildroot}
 
 
 %changelog
+* Tue May 14 2024 cenhuilin <cenhuilin@kylinos.cn> - 2.11.5-3
+- Type:CVE
+- CVE:CVE-2024-34459
+- SUG:NA
+- DESC:fix CVE-2024-34459
+
 * Mon Feb 05 2024 Paul Thomas <paulthomas100199@gmail.com> - 2.11.5-2
 - Type:CVE
 - CVE:CVE-2024-25062