diff options
Diffstat (limited to 'src/network/access/http2/hpacktable.cpp')
| -rw-r--r-- | src/network/access/http2/hpacktable.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/network/access/http2/hpacktable.cpp b/src/network/access/http2/hpacktable.cpp index 74a09a207f..2c728b37e3 100644 --- a/src/network/access/http2/hpacktable.cpp +++ b/src/network/access/http2/hpacktable.cpp @@ -26,8 +26,10 @@ 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()); - if (std::numeric_limits<unsigned>::max() - 32 < sum) + 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)); } |