Avoid infinite loops in the RegularExpression::subst() function when the length of...

diff --git a/Externals/poco/Foundation/src/RegularExpression.cpp b/Externals/poco/Foundation/src/RegularExpression.cpp
index ef6a5e8..3a3c336 100644 (file)
--- a/Externals/poco/Foundation/src/RegularExpression.cpp
+++ b/Externals/poco/Foundation/src/RegularExpression.cpp
@@ -262,7 +262,7 @@ std::string::size_type RegularExpression::substOne(std::string& subject, std::st
                                }
                                else result += *it++;
                        }
-                       pos = ovec[1];
+                       pos = (ovec[1] > ovec[0]) ? ovec[1] : ovec[1] + 1;
                        rp = result.length();
                }
                else result += subject[pos++];