diff --git a/doxgen-1.9.1-crash-when-parsing-config-file.patch b/doxgen-1.9.1-crash-when-parsing-config-file.patch
new file mode 100644
index 0000000..848750d
--- /dev/null
+++ b/doxgen-1.9.1-crash-when-parsing-config-file.patch
@@ -0,0 +1,64 @@
+commit 3b15963316b59cd1af3468a43535d90343916ffb
+Author: Dimitri van Heesch <doxygen@gmail.com>
+Date:   Mon Jan 18 19:59:16 2021 +0100
+
+    issue #8343: doxygen-1.9.1 crashes when parsing config file
+
+diff --git a/src/configimpl.l b/src/configimpl.l
+index 7f73ec01..56a2e108 100644
+--- a/src/configimpl.l
++++ b/src/configimpl.l
+@@ -1210,7 +1210,7 @@ static void substEnvVarsInStrList(StringVector &sl)
+               c=result.at(i);
+               if (c=='"') // end quote
+               {
+-                results.push_back(result.mid(p,i-p).data());
++                results.push_back(result.mid(p,i-p).str());
+                 p=i+1;
+                 break;
+               }
+@@ -1222,7 +1222,7 @@ static void substEnvVarsInStrList(StringVector &sl)
+           }
+           else if (c==' ' || c=='\t') // separator
+           {
+-            if (i>p) results.push_back(result.mid(p,i-p).data());
++            if (i>p) results.push_back(result.mid(p,i-p).str());
+             p=i+1;
+           }
+         }
+@@ -1234,7 +1234,7 @@ static void substEnvVarsInStrList(StringVector &sl)
+     }
+     else // just goto the next element in the list
+     {
+-      if (!result.isEmpty()) results.push_back(result.data());
++      if (!result.isEmpty()) results.push_back(result.str());
+     }
+   }
+   sl = results;
+@@ -1409,7 +1409,7 @@ static void cleanUpPaths(StringVector &str)
+       QFileInfo fi(path.c_str());
+       if (fi.exists() && fi.isDir())
+       {
+-        path = fi.absFilePath().utf8().data();
++        path = fi.absFilePath().utf8().str();
+         if (path[path.size()-1]!='/') path+='/';
+       }
+     }
+@@ -1545,7 +1545,7 @@ void Config::checkAndCorrect()
+     QString p = QDir::currentDirPath();
+     if (p.at(p.length()-1)!='/')
+         p.append('/');
+-    stripFromPath.push_back(p.utf8().data());
++    stripFromPath.push_back(p.utf8().str());
+   }
+   else
+   {
+@@ -1882,7 +1882,7 @@ void Config::checkAndCorrect()
+   if (inputSources.empty())
+   {
+     // use current dir as the default
+-    inputSources.push_back(QDir::currentDirPath().utf8().data());
++    inputSources.push_back(QDir::currentDirPath().utf8().str());
+   }
+   else
+   {
diff --git a/doxygen.spec b/doxygen.spec
index 28a2c72..3d86764 100644
--- a/doxygen.spec
+++ b/doxygen.spec
@@ -16,7 +16,7 @@ Summary: A documentation system for C/C++
 Name:    doxygen
 Epoch:   1
 Version: 1.9.1
-Release: 1%{?dist}
+Release: 2%{?dist}
 
 # No version is specified.
 License: GPL+
@@ -27,6 +27,7 @@ Source1: doxywizard.desktop
 # these icons are part of doxygen and converted from doxywizard.ico
 Source2: doxywizard-icons.tar.xz
 # upstream patches
+Patch1: doxgen-1.9.1-crash-when-parsing-config-file.patch
 
 BuildRequires: %{_bindir}/python3
 BuildRequires: gcc-c++ gcc
@@ -300,6 +301,9 @@ desktop-file-install --dir=%{buildroot}%{_datadir}/applications %{SOURCE1}
 %endif
 
 %changelog
+* Tue Jan 19 2021 Than Ngo <than@redhat.com> - 1.9.1-2
+- fixed bz#1916161, crashes when parsing config file
+
 * Mon Jan 11 2021 Than Ngo <than@redhat.com> - 1.9.1-1
 - update to 1.9.1