diff --git a/ChangeLog b/ChangeLog
index 90439b874c..3b61f167d2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2017-06-19  Florian Weimer  <fweimer@redhat.com>
+
+	[BZ #21624]
+	CVE-2017-1000366
+	* elf/rtld.c (process_envvars): Ignore LD_LIBRARY_PATH for
+	__libc_enable_secure.
+
 2017-06-19  Stefan Liebler  <stli@linux.vnet.ibm.com>
 
 	[BZ #21539]
diff --git a/elf/rtld.c b/elf/rtld.c
index 2446a87680..2269dbec81 100644
--- a/elf/rtld.c
+++ b/elf/rtld.c
@@ -2422,7 +2422,8 @@ process_envvars (enum mode *modep)
 
 	case 12:
 	  /* The library search path.  */
-	  if (memcmp (envline, "LIBRARY_PATH", 12) == 0)
+	  if (!__libc_enable_secure
+	      && memcmp (envline, "LIBRARY_PATH", 12) == 0)
 	    {
 	      library_path = &envline[13];
 	      break;