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..0d365dbb2013e578aa6441e0656b00f4d626c0a1
--- /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(
+ 
+     unsigned TyID = Record[0];
+     Type *Ty = Callbacks.GetTypeByID(TyID);
+-    if (Ty->isMetadataTy() || Ty->isVoidTy()) {
++    if (!Ty || Ty->isMetadataTy() || Ty->isVoidTy()) {
+       dropRecord();
+       break;
+     }
+@@ -1366,7 +1366,7 @@ Error MetadataLoader::MetadataLoaderImpl::parseOneMetadata(
+ 
+     unsigned TyID = Record[0];
+     Type *Ty = Callbacks.GetTypeByID(TyID);
+-    if (Ty->isMetadataTy() || Ty->isVoidTy())
++    if (!Ty || Ty->isMetadataTy() || Ty->isVoidTy())
+       return error("Invalid record");
+ 
+     Value *V = ValueList.getValueFwdRef(Record[1], Ty, TyID,
+-- 
+2.33.0
+
diff --git a/llvm.spec b/llvm.spec
index 7eb8cd17e485468748b2e057a1737565674a41ab..650fa9792a45731b1d364410da68b9d778b5412f 100644
--- a/llvm.spec
+++ b/llvm.spec
@@ -37,7 +37,7 @@
 
 Name:		%{pkg_name}
 Version:	%{maj_ver}.%{min_ver}.%{patch_ver}
-Release:	1
+Release:	2
 Summary:	The Low Level Virtual Machine
 
 License:	NCSA
@@ -46,6 +46,8 @@ Source0:	https://github.com/llvm/llvm-project/releases/download/llvmorg-%{versio
 Source1:	https://github.com/llvm/llvm-project/releases/download/llvmorg-%{version}/cmake-%{version}.src.tar.xz
 Source2:	https://github.com/llvm/llvm-project/releases/download/llvmorg-%{version}/third-party-%{version}.src.tar.xz
 
+Patch1:		0001-Backport-Bitcode-Add-some-missing-GetTypeByID-failure-checks.patch
+
 BuildRequires:	binutils-devel
 BuildRequires:	cmake
 BuildRequires:	gcc
@@ -327,6 +329,9 @@ LD_LIBRARY_PATH=%{buildroot}/%{install_libdir}  %{__ninja} check-all -C ./_build
 %{install_includedir}/llvm-gmock
 
 %changelog
+* Tue Apr 09 2024 liyunfei <liyunfei33@huawei.com> - 17.0.6-2
+- Backport patch to fix CVE-2023-46049
+
 * Thu Nov 30 2023 zhoujing <zhoujing106@huawei.com> - 17.0.6-1
 - Update to 17.0.6