1 files changed, 3 insertions, 1 deletions
diff --git a/fpdfsdk/fpdf_sysfontinfo.cpp b/fpdfsdk/fpdf_sysfontinfo.cpp
index 5bce4b4cc4..3d15ca3a41 100644
--- a/fpdfsdk/fpdf_sysfontinfo.cpp
+++ b/fpdfsdk/fpdf_sysfontinfo.cpp
@@ -159,7 +159,9 @@ static unsigned long DefaultGetFaceName(struct _FPDF_SYSFONTINFO* pThis,
     return 0;
   if (name.GetLength() >= (long)buf_size)
     return name.GetLength() + 1;
-  FXSYS_strcpy(buffer, name.c_str());
+
+  strncpy(buffer, name.c_str(),
+          (name.GetLength() + 1) * sizeof(CFX_ByteString::CharType));
   return name.GetLength() + 1;
 }