diff options
-rw-r--r-- | src/network/ssl/qasn1element.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/network/ssl/qasn1element.cpp b/src/network/ssl/qasn1element.cpp index 6558643386..5634332a67 100644 --- a/src/network/ssl/qasn1element.cpp +++ b/src/network/ssl/qasn1element.cpp @@ -45,6 +45,7 @@ #include <QtCore/qvector.h> #include <QDebug> +#include <limits> #include <locale> QT_BEGIN_NAMESPACE @@ -120,7 +121,7 @@ bool QAsn1Element::read(QDataStream &stream) return false; // length - qint64 length = 0; + quint64 length = 0; quint8 first; stream >> first; if (first & 0x80) { @@ -139,11 +140,13 @@ bool QAsn1Element::read(QDataStream &stream) length = (first & 0x7f); } + if (length > quint64(std::numeric_limits<int>::max())) + return false; // value QByteArray tmpValue; tmpValue.resize(length); int count = stream.readRawData(tmpValue.data(), tmpValue.size()); - if (count != length) + if (count != int(length)) return false; mType = tmpType; |