diff --git a/backport-cracklib-2.9.6-lookup.patch b/backport-cracklib-2.9.6-lookup.patch
new file mode 100644
index 0000000000000000000000000000000000000000..52ce8577a171879e324257b4ff6b4f066455ba00
--- /dev/null
+++ b/backport-cracklib-2.9.6-lookup.patch
@@ -0,0 +1,60 @@
+diff -up cracklib-2.9.6/lib/packlib.c.lookup cracklib-2.9.6/lib/packlib.c
+--- cracklib-2.9.6/lib/packlib.c.lookup	2018-10-10 14:19:06.988958835 +0200
++++ cracklib-2.9.6/lib/packlib.c	2018-11-26 16:04:34.648256614 +0100
+@@ -585,12 +585,11 @@ fprintf(stderr, "look for (%s)\n", strin
+     fprintf(stderr, "---- %lu, %lu ----\n", lwm, hwm);
+ #endif
+ 
+-    middle = lwm + ((hwm - lwm + 1) / 2);
+-
+     for (;;)
+     {
+ 	int cmp;
+ 
++	middle = lwm + ((hwm - lwm + 1) / 2);
+ 
+ #if DEBUG
+ 	fprintf(stderr, "lwm = %lu,  middle = %lu,  hwm = %lu\n", lwm, middle, hwm);
+@@ -617,24 +616,28 @@ fprintf(stderr, "look for (%s)\n", strin
+ 	    return(middle);
+         }
+ 
+-        if (middle == hwm)
+-        {
+-#if DEBUG
+-		fprintf(stderr, "at terminal subdivision, stopping search\n");
+-#endif
+-		break;
+-        }
+-
+ 	if (cmp < 0)
+ 	{
+-	    hwm = middle;
+-	    middle = lwm + ((hwm - lwm ) / 2);
+-	}
++	    if (middle == lwm)
++	    {
++#if DEBUG 
++		fprintf(stderr, "at terminal subdivision from right, stopping search\n");
++#endif
++		break;
++	    }
++	    hwm = middle - 1;
++	} 
+ 	else if (cmp > 0)
+ 	{
+-	    lwm = middle;
+-	    middle = lwm + ((hwm - lwm + 1) / 2);
+-	}
++	    if (middle == hwm)
++	    {
++#if DEBUG 
++		fprintf(stderr, "at terminal subdivision from left, stopping search\n");
++#endif
++		break;
++	    }
++	    lwm = middle + 1;
++	} 
+     }
+ 
+     return (PW_WORDS(pwp));
diff --git a/cracklib.spec b/cracklib.spec
index a07218b24a3b7e11f99580da1cce7974f48069d9..e8da7471b26912671118ca0db249d9c764161fe5 100644
--- a/cracklib.spec
+++ b/cracklib.spec
@@ -5,14 +5,15 @@
 
 Name: cracklib
 Version: 2.9.7
-Release: 7
+Release: 8
 Summary: A password-checking library
 
 License: LGPLv2+
 URL: http://sourceforge.net/projects/cracklib/
 Source0: https://github.com/cracklib/cracklib/releases/download/v%{version}/cracklib-%{version}.tar.gz
 Source1: https://github.com/cracklib/cracklib/releases/download/v%{version}/cracklib-words-%{version}.gz
-Patch9000: fix-problem-of-error-message-about-simplistic-passwo.patch
+Patch0: fix-problem-of-error-message-about-simplistic-passwo.patch
+Patch1: backport-cracklib-2.9.6-lookup.patch
 
 BuildRequires: gcc, words, gettext, gettext-autopoint, zlib-devel, chrpath
 %if %{with python3}
@@ -164,6 +165,9 @@ make test
 %endif
 
 %changelog
+* Mon Dec 6 2021 yixiangzhike <yixiangzhike007@163.com> - 2.9.7-8
+- fix lookup for word in FindPW()
+
 * Mon Sep 6 2021 yixiangzhike <zhangxingliang3@huawei.com> - 2.9.7-7
 - delete rpath and runpath from exec files and libraries