File CVE-2018-19869.patch of Package mingw64-libqt4

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File CVE-2018-19869.patch of Package mingw64-libqt4

Index: qt-everywhere-opensource-src-4.8.7/src/svg/qsvghandler.cpp
===================================================================
--- qt-everywhere-opensource-src-4.8.7.orig/src/svg/qsvghandler.cpp
+++ qt-everywhere-opensource-src-4.8.7/src/svg/qsvghandler.cpp
@@ -746,16 +746,17 @@ static QVector<qreal> parsePercentageLis
 static QString idFromUrl(const QString &url)
 {
     QString::const_iterator itr = url.constBegin();
-    while ((*itr).isSpace())
+    QString::const_iterator end = url.constEnd();
+    while (itr != end && (*itr).isSpace())
         ++itr;
-    if ((*itr) == QLatin1Char('('))
+    if (itr != end && (*itr) == QLatin1Char('('))
         ++itr;
-    while ((*itr).isSpace())
+    while (itr != end && (*itr).isSpace())
         ++itr;
-    if ((*itr) == QLatin1Char('#'))
+    if (itr != end && (*itr) == QLatin1Char('#'))
         ++itr;
     QString id;
-    while ((*itr) != QLatin1Char(')')) {
+    while (itr != end && (*itr) != QLatin1Char(')')) {
         id += *itr;
         ++itr;
     }

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File CVE-2018-19869.patch of Package mingw64-libqt4

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