1 files changed, 39 insertions, 0 deletions
diff --git a/main/aspell/CVE-2019-17544.patch b/main/aspell/CVE-2019-17544.patch
new file mode 100644
index 0000000000..5bdb439151
--- /dev/null
+++ b/main/aspell/CVE-2019-17544.patch
@@ -0,0 +1,39 @@
+diff --git a/common/config.cpp b/common/config.cpp
+index b1e919b..51486a7 100644
+--- a/common/config.cpp
++++ b/common/config.cpp
+@@ -763,7 +763,7 @@ namespace acommon {
+       }
+       res.append(':');
+     }
+-    if (res.back() == ':') res.pop_back();
++    if (!res.empty() && res.back() == ':') res.pop_back();
+   }
+ 
+   struct ListAddHelper : public AddableContainer 
+diff --git a/common/file_util.cpp b/common/file_util.cpp
+index 8515832..56ea501 100644
+--- a/common/file_util.cpp
++++ b/common/file_util.cpp
+@@ -181,6 +181,7 @@ namespace acommon {
+     while ( (dir = els.next()) != 0 ) 
+     {
+       path = dir;
++      if (path.empty()) continue;
+       if (path.back() != '/') path += '/';
+       unsigned dir_len = path.size();
+       path += filename;
+diff --git a/common/getdata.cpp b/common/getdata.cpp
+index 7e822c9..1b04823 100644
+--- a/common/getdata.cpp
++++ b/common/getdata.cpp
+@@ -64,7 +64,7 @@ namespace acommon {
+   char * unescape(char * dest, const char * src)
+   {
+     while (*src) {
+-      if (*src == '\\') {
++      if (*src == '\\' && src[1]) {
+ 	++src;
+ 	switch (*src) {
+ 	case 'n': *dest = '\n'; break;
+