diff --git a/0001-Backport-Bitcode-Add-some-missing-GetTypeByID-failure-checks.patch b/0001-Backport-Bitcode-Add-some-missing-GetTypeByID-failure-checks.patch
new file mode 100644
index 0000000000000000000000000000000000000000..b90af9260bc54126cb396377080962580d321000
--- /dev/null
+++ b/0001-Backport-Bitcode-Add-some-missing-GetTypeByID-failure-checks.patch
@@ -0,0 +1,37 @@
+From 58f4b115f97435efa1df1baa3247791a13444c00 Mon Sep 17 00:00:00 2001
+From: Nikita Popov <npopov@redhat.com>
+Date: Tue, 26 Sep 2023 16:51:40 +0200
+Subject: [PATCH 1/3] [Bitcode] Add some missing GetTypeByID failure checks
+
+Print an error instead of crashing.
+
+Fixes https://github.com/llvm/llvm-project/issues/67388.
+---
+ llvm/lib/Bitcode/Reader/MetadataLoader.cpp | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/llvm/lib/Bitcode/Reader/MetadataLoader.cpp b/llvm/lib/Bitcode/Reader/MetadataLoader.cpp
+index 0a9a80688a41..2f024899b451 100644
+--- a/llvm/lib/Bitcode/Reader/MetadataLoader.cpp
++++ b/llvm/lib/Bitcode/Reader/MetadataLoader.cpp
+@@ -1315,7 +1315,7 @@ Error MetadataLoader::MetadataLoaderImpl::parseOneMetadata(
+     }
+
+     Type *Ty = getTypeByID(Record[0]);
+-    if (Ty->isMetadataTy() || Ty->isVoidTy()) {
++    if (!Ty || Ty->isMetadataTy() || Ty->isVoidTy()) {
+       dropRecord();
+       break;
+     }
+@@ -1366,7 +1366,7 @@ Error MetadataLoader::MetadataLoaderImpl::parseOneMetadata(
+       return error("Invalid record");
+
+     Type *Ty = getTypeByID(Record[0]);
+-    if (Ty->isMetadataTy() || Ty->isVoidTy())
++    if (!Ty || Ty->isMetadataTy() || Ty->isVoidTy())
+       return error("Invalid record");
+
+     MetadataList.assignValue(
+-- 
+2.33.0
+
diff --git a/llvm.spec b/llvm.spec
index 458efb52f25e3ce31d25d76e9988ffbcd42414a4..7fcce58b9b119316efe74f795a0d3656ee810156 100644
--- a/llvm.spec
+++ b/llvm.spec
@@ -1,11 +1,13 @@
 Name:		llvm
 Version:	10.0.1
-Release:	3
+Release:	4
 Summary:	The Low Level Virtual Machine
 License:	NCSA
 URL:		http://llvm.org
 Source0:	https://github.com/llvm/llvm-project/releases/download/llvmorg-%{version}/%{name}-%{version}.src.tar.xz
 
+Patch1:		0001-Backport-Bitcode-Add-some-missing-GetTypeByID-failure-checks.patch
+
 BuildRequires:  gcc gcc-c++ cmake ninja-build zlib-devel libffi-devel ncurses-devel libstdc++-static
 BuildRequires:	python3-sphinx binutils-devel valgrind-devel libedit-devel python3-devel
 BuildRequires:  python3-recommonmark
@@ -53,7 +55,8 @@ Obsoletes:      %{name}-doc < %{version}-%{release}
 The %{name}-help package contains doc files for %{name}.
 
 %prep
-%autosetup -n %{name}-%{version}.src -p1
+%setup -T -q -b 0 -n %{name}-%{version}.src
+%autopatch -p2
 pathfix.py -i %{__python3} -pn test/BugPoint/compile-custom.ll.py tools/opt-viewer/*.py
 
 %build
@@ -196,6 +199,12 @@ fi
 %{_mandir}/man1/*
 
 %changelog
+* Tue Apr 09 2024 liyunfei <liyunfei33@huawei.com> - 10.0.1-4
+- Type: CVE
+- ID: NA
+- SUG: NA
+- Backport patch to fix CVE-2023-46049
+
 * Fri Nov 24 2023 cf-zhao <zhaochuanfeng@huawei.com> - 10.0.1-3
 - Remove the rpath