diff --git a/jbig2dec-bugfix-int-overflow.patch b/jbig2dec-bugfix-int-overflow.patch
new file mode 100644
index 0000000..d1536ba
--- /dev/null
+++ b/jbig2dec-bugfix-int-overflow.patch
@@ -0,0 +1,22 @@
+From 7ec4ebab1dbbbe2188824c72c91c3faf460acf5b Mon Sep 17 00:00:00 2001
+From: songnannan2 <songnannan2@huawei.com>
+Date: Wed, 26 Feb 2020 15:19:02 +0800
+Subject: [PATCH] jbig2dec: bugfix int overflow
+
+---
+ jbig2_mmr.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/jbig2_mmr.c b/jbig2_mmr.c
+index da54934..0a16a7e 100644
+--- a/jbig2_mmr.c
++++ b/jbig2_mmr.c
+@@ -73,7 +73,7 @@ jbig2_decode_mmr_init(Jbig2MmrCtx *mmr,
+     mmr->bit_index = 0;
+ 
+     for (i = 0; i < size && i < 4; i++)
+-        word |= (data[i] << ((3 - i) << 3));
++        word |= ((uint32_t)data[i] << ((3 - i) << 3));
+     mmr->word = word;
+ }
+ 
diff --git a/jbig2dec.spec b/jbig2dec.spec
index 31eecc6..269609e 100644
--- a/jbig2dec.spec
+++ b/jbig2dec.spec
@@ -1,11 +1,12 @@
 Name:           jbig2dec
 Version:        0.18
-Release:        1
+Release:        3
 Summary:        A decoder implementation of the JBIG2 image compression format.
 
-License:        GPLv2
+License:        AGPLv3+
 URL:            https://jbig2dec.com/
 Source0:        https://github.com/ArtifexSoftware/jbig2dec/archive/%{name}-%{version}.tar.gz
+Patch9000:      jbig2dec-bugfix-int-overflow.patch
 
 BuildRequires:  gcc libtool chrpath
 Provides:       %{name}-libs = %{version}-%{release}
@@ -62,6 +63,12 @@ echo "/usr/lib64" > %{buildroot}/etc/ld.so.conf.d/%{name}-%{_arch}.conf
 %{_mandir}/man1/%{name}.1*
 
 %changelog
+* Tue Feb 9 2021 jinzhimin <jinzhimin2@huawei.com> - 0.18-3
+- rebuild jbig2dec
+
+* Tue Feb 9 2021 jinzhimin <jinzhimin2@huawei.com> - 0.18-2
+- bugfix int overflow
+
 * Fri Apr 17 2020 songnannan <songnannan2@huawei.com> - 0.18-1
 - Type:enhancement
 - ID:NA