diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/network/access/http2/hpacktable.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/network/access/http2/hpacktable.cpp b/src/network/access/http2/hpacktable.cpp index c8c5d098c80..2c728b37e3b 100644 --- a/src/network/access/http2/hpacktable.cpp +++ b/src/network/access/http2/hpacktable.cpp @@ -26,7 +26,9 @@ HeaderSize entry_size(QByteArrayView name, QByteArrayView value) // for counting the number of references to the name and value would have // 32 octets of overhead." - const unsigned sum = unsigned(name.size() + value.size()); + size_t sum; + if (qAddOverflow(size_t(name.size()), size_t(value.size()), &sum)) + return HeaderSize(); if (sum > (std::numeric_limits<unsigned>::max() - 32)) return HeaderSize(); return HeaderSize(true, quint32(sum + 32)); |