diff --git a/src/corelib/serialization/qdatastream.cpp b/src/corelib/serialization/qdatastream.cpp
index 171d29f529c..008edc088a0 100644
--- a/src/corelib/serialization/qdatastream.cpp
+++ b/src/corelib/serialization/qdatastream.cpp
@@ -222,6 +222,11 @@ QT_BEGIN_NAMESPACE
                             data in the underlying device.
     \value ReadCorruptData  The data stream has read corrupt data.
     \value WriteFailed      The data stream cannot write to the underlying device.
+    \value [since 6.7] SizeLimitExceeded The data stream cannot read or write
+                            the data because its size is larger than supported
+                            by the current platform. This can happen, for
+                            example, when trying to read more that 2 GiB of
+                            data on a 32-bit platform.
 */
 
 /*****************************************************************************
@@ -1064,7 +1069,7 @@ QDataStream &QDataStream::readBytes(char *&s, qsizetype &l)
 
     qsizetype len = qsizetype(length);
     if (length != len || length < 0) {
-        setStatus(ReadCorruptData); // Cannot store len in l
+        setStatus(SizeLimitExceeded); // Cannot store len in l
         return *this;
     }
 
diff --git a/src/corelib/serialization/qdatastream.h b/src/corelib/serialization/qdatastream.h
index 80fd2715961..90d7c9d9da2 100644
--- a/src/corelib/serialization/qdatastream.h
+++ b/src/corelib/serialization/qdatastream.h
@@ -101,7 +101,8 @@ public:
         Ok,
         ReadPastEnd,
         ReadCorruptData,
-        WriteFailed
+        WriteFailed,
+        SizeLimitExceeded,
     };
 
     enum FloatingPointPrecision {
@@ -267,7 +268,7 @@ QDataStream &readArrayBasedContainer(QDataStream &s, Container &c)
     qint64 size = QDataStream::readQSizeType(s);
     qsizetype n = size;
     if (size != n || size < 0) {
-        s.setStatus(QDataStream::ReadCorruptData);
+        s.setStatus(QDataStream::SizeLimitExceeded);
         return s;
     }
     c.reserve(n);
@@ -293,7 +294,7 @@ QDataStream &readListBasedContainer(QDataStream &s, Container &c)
     qint64 size = QDataStream::readQSizeType(s);
     qsizetype n = size;
     if (size != n || size < 0) {
-        s.setStatus(QDataStream::ReadCorruptData);
+        s.setStatus(QDataStream::SizeLimitExceeded);
         return s;
     }
     for (qsizetype i = 0; i < n; ++i) {
@@ -318,7 +319,7 @@ QDataStream &readAssociativeContainer(QDataStream &s, Container &c)
     qint64 size = QDataStream::readQSizeType(s);
     qsizetype n = size;
     if (size != n || size < 0) {
-        s.setStatus(QDataStream::ReadCorruptData);
+        s.setStatus(QDataStream::SizeLimitExceeded);
         return s;
     }
     for (qsizetype i = 0; i < n; ++i) {
diff --git a/src/corelib/text/qbytearray.cpp b/src/corelib/text/qbytearray.cpp
index 69d21cbe24d..e48b9bcac1e 100644
--- a/src/corelib/text/qbytearray.cpp
+++ b/src/corelib/text/qbytearray.cpp
@@ -3312,7 +3312,7 @@ QDataStream &operator>>(QDataStream &in, QByteArray &ba)
     qsizetype len = size;
     if (size != len || size < -1) {
         ba.clear();
-        in.setStatus(QDataStream::ReadCorruptData);
+        in.setStatus(QDataStream::SizeLimitExceeded);
         return in;
     }
     if (len == -1) { // null byte-array
diff --git a/src/corelib/text/qstring.cpp b/src/corelib/text/qstring.cpp
index 5dceb2c3e31..aa07223860f 100644
--- a/src/corelib/text/qstring.cpp
+++ b/src/corelib/text/qstring.cpp
@@ -9375,7 +9375,7 @@ QDataStream &operator>>(QDataStream &in, QString &str)
         qsizetype bytes = size;
         if (size != bytes || size < -1) {
             str.clear();
-            in.setStatus(QDataStream::ReadCorruptData);
+            in.setStatus(QDataStream::SizeLimitExceeded);
             return in;
         }
         if (bytes == -1) { // null string
diff --git a/tests/auto/corelib/serialization/qdatastream/tst_qdatastream.cpp b/tests/auto/corelib/serialization/qdatastream/tst_qdatastream.cpp
index 22bcba5ef13..8051924dcec 100644
--- a/tests/auto/corelib/serialization/qdatastream/tst_qdatastream.cpp
+++ b/tests/auto/corelib/serialization/qdatastream/tst_qdatastream.cpp
@@ -2904,10 +2904,10 @@ void tst_QDataStream::status_QString_data()
     QTest::newRow("32 bit size MAX string no content") << QByteArray("\xff\xff\xff\xfc", 4) << (int) QDataStream::ReadPastEnd << QString();
 #else
     // too big for 32 bit platforms
-    QTest::newRow("32 bit size MAX string no content") << QByteArray("\xff\xff\xff\xfc", 4) << (int) QDataStream::ReadCorruptData << QString();
+    QTest::newRow("32 bit size MAX string no content") << QByteArray("\xff\xff\xff\xfc", 4) << (int) QDataStream::SizeLimitExceeded << QString();
 #endif
     // too big on both 32 and 64 bit platforms because qsizetype is signed
-    QTest::newRow("64 bit size MAX string no content") << QByteArray("\xff\xff\xff\xfe\xff\xff\xff\xff\xff\xff\xff\xfe", 12) << (int) QDataStream::ReadCorruptData << QString();
+    QTest::newRow("64 bit size MAX string no content") << QByteArray("\xff\xff\xff\xfe\xff\xff\xff\xff\xff\xff\xff\xfe", 12) << (int) QDataStream::SizeLimitExceeded << QString();
 
     // corrupt data because QChar is 16 bit => even size required
     QTest::newRow("corrupt1") << QByteArray("yyyy") << (int) QDataStream::ReadCorruptData << QString();