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-rw-r--r--src/corelib/serialization/qjson_p.h2
-rw-r--r--src/corelib/serialization/qjsondocument.cpp3
2 files changed, 4 insertions, 1 deletions
diff --git a/src/corelib/serialization/qjson_p.h b/src/corelib/serialization/qjson_p.h
index 7743382806..dc56a49084 100644
--- a/src/corelib/serialization/qjson_p.h
+++ b/src/corelib/serialization/qjson_p.h
@@ -450,7 +450,7 @@ static inline void copyString(char *dest, const QString &str, bool compress)
/*
- Base is the base class for both Object and Array. Both classe work more or less the same way.
+ Base is the base class for both Object and Array. Both classes work more or less the same way.
The class starts with a header (defined by the struct below), then followed by data (the data for
values in the Array case and Entry's (see below) for objects.
diff --git a/src/corelib/serialization/qjsondocument.cpp b/src/corelib/serialization/qjsondocument.cpp
index 9794bca60d..ab27b45fda 100644
--- a/src/corelib/serialization/qjsondocument.cpp
+++ b/src/corelib/serialization/qjsondocument.cpp
@@ -210,6 +210,9 @@ QJsonDocument QJsonDocument::fromRawData(const char *data, int size, DataValidat
return QJsonDocument();
}
+ if (size < (int)(sizeof(QJsonPrivate::Header) + sizeof(QJsonPrivate::Base)))
+ return QJsonDocument();
+
QJsonPrivate::Data *d = new QJsonPrivate::Data((char *)data, size);
d->ownsData = false;