diff -up Clp-releases-1.17.5/Clp/src/ClpModel.cpp.orig Clp-releases-1.17.5/Clp/src/ClpModel.cpp
--- Clp-releases-1.17.5/Clp/src/ClpModel.cpp.orig	2020-02-20 09:54:26.138615175 -0700
+++ Clp-releases-1.17.5/Clp/src/ClpModel.cpp	2020-02-20 09:56:18.361626298 -0700
@@ -1337,7 +1337,7 @@ void ClpModel::resize(int newNumberRows,
     if (numberRowNames < newNumberRows) {
       rowNames_.resize(newNumberRows);
       lengthNames_ = CoinMax(lengthNames_, 8);
-      char name[10];
+      char name[12];
       for (unsigned int iRow = numberRowNames; iRow < newNumberRows; iRow++) {
         sprintf(name, "R%7.7d", iRow);
         rowNames_[iRow] = name;
@@ -1347,7 +1347,7 @@ void ClpModel::resize(int newNumberRows,
     if (numberColumnNames < newNumberColumns) {
       columnNames_.resize(newNumberColumns);
       lengthNames_ = CoinMax(lengthNames_, 8);
-      char name[10];
+      char name[12];
       for (unsigned int iColumn = numberColumnNames;
            iColumn < newNumberColumns; iColumn++) {
         sprintf(name, "C%7.7d", iColumn);
@@ -3445,7 +3445,7 @@ ClpModel::getRowName(int iRow) const
   if (size > iRow) {
     return rowNames_[iRow];
   } else {
-    char name[10];
+    char name[12];
     sprintf(name, "R%7.7d", iRow);
     std::string rowName(name);
     return rowName;
@@ -3481,7 +3481,7 @@ ClpModel::getColumnName(int iColumn) con
   if (size > iColumn) {
     return columnNames_[iColumn];
   } else {
-    char name[10];
+    char name[12];
     sprintf(name, "C%7.7d", iColumn);
     std::string columnName(name);
     return columnName;
@@ -3563,7 +3563,7 @@ void ClpModel::copyRowNames(const char *
       maxLength = CoinMax(maxLength, static_cast< unsigned int >(strlen(rowNames[iRow - first])));
     } else {
       maxLength = CoinMax(maxLength, static_cast< unsigned int >(8));
-      char name[10];
+      char name[12];
       sprintf(name, "R%7.7d", iRow);
       rowNames_[iRow] = name;
     }
@@ -3590,7 +3590,7 @@ void ClpModel::copyColumnNames(const cha
       maxLength = CoinMax(maxLength, static_cast< unsigned int >(strlen(columnNames[iColumn - first])));
     } else {
       maxLength = CoinMax(maxLength, static_cast< unsigned int >(8));
-      char name[10];
+      char name[12];
       sprintf(name, "C%7.7d", iColumn);
       columnNames_[iColumn] = name;
     }
@@ -3836,7 +3836,7 @@ ClpModel::rowNamesAsChar() const
       if (rowName(iRow) != "") {
         rowNames[iRow] = CoinStrdup(rowName(iRow).c_str());
       } else {
-        char name[10];
+        char name[12];
         sprintf(name, "R%7.7d", iRow);
         rowNames[iRow] = CoinStrdup(name);
       }
@@ -3852,7 +3852,7 @@ ClpModel::rowNamesAsChar() const
       xx[n] = '\0';
 #endif
     }
-    char name[10];
+    char name[12];
     for (; iRow < numberRows_; iRow++) {
       sprintf(name, "R%7.7d", iRow);
       rowNames[iRow] = CoinStrdup(name);
@@ -3875,7 +3875,7 @@ ClpModel::columnNamesAsChar() const
       if (columnName(iColumn) != "") {
         columnNames[iColumn] = CoinStrdup(columnName(iColumn).c_str());
       } else {
-        char name[10];
+        char name[12];
         sprintf(name, "C%7.7d", iColumn);
         columnNames[iColumn] = CoinStrdup(name);
       }
@@ -3891,7 +3891,7 @@ ClpModel::columnNamesAsChar() const
       xx[n] = '\0';
 #endif
     }
-    char name[10];
+    char name[12];
     for (; iColumn < numberColumns_; iColumn++) {
       sprintf(name, "C%7.7d", iColumn);
       columnNames[iColumn] = CoinStrdup(name);
diff -up Clp-releases-1.17.5/Clp/src/ClpSimplexOther.cpp.orig Clp-releases-1.17.5/Clp/src/ClpSimplexOther.cpp
--- Clp-releases-1.17.5/Clp/src/ClpSimplexOther.cpp.orig	2020-02-20 09:55:43.777239225 -0700
+++ Clp-releases-1.17.5/Clp/src/ClpSimplexOther.cpp	2020-02-20 09:56:18.363626263 -0700
@@ -2276,7 +2276,7 @@ int ClpSimplexOther::parametrics(const c
 {
   int returnCode = -2;
   FILE *fp = fopen(dataFile, "r");
-  char line[200];
+  char line[400];
   if (!fp) {
     handler_->message(CLP_UNABLE_OPEN, messages_)
       << dataFile << CoinMessageEol;