diff -u mcrypt-2.6.8/src/extra.c mcrypt-2.6.8/src/extra.c
--- mcrypt-2.6.8/src/extra.c
+++ mcrypt-2.6.8/src/extra.c
@@ -223,7 +223,8 @@
 		}
 
 		read_until_null(tmp_buf, fstream);
-		strcpy(algorithm, tmp_buf);
+		strncpy(algorithm, tmp_buf, 50);
+		algorithm[49] = '\0';
 
 		fread(&keylen, sizeof(short int), 1, fstream);
 #ifdef WORDS_BIGENDIAN
@@ -233,10 +234,12 @@
 #endif
 
 		read_until_null(tmp_buf, fstream);
-		strcpy(mode, tmp_buf);
+		strncpy(mode, tmp_buf, 50);
+		mode[49] = '\0';
 
 		read_until_null(tmp_buf, fstream);
-		strcpy(keymode, tmp_buf);
+		strncpy(keymode, tmp_buf, 50);
+		keymode[49] = '\0';
 		fread(&sflag, 1, 1, fstream);
 		if (m_getbit(6, flags) == 1) { /* if the salt bit is set */
 			if (m_getbit(0, sflag) != 0) { /* if the first bit is set */