diff options
Diffstat (limited to 'src/corelib')
| -rw-r--r-- | src/corelib/io/qipaddress.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/corelib/io/qipaddress.cpp b/src/corelib/io/qipaddress.cpp index 02b12f635a..039e291b43 100644 --- a/src/corelib/io/qipaddress.cpp +++ b/src/corelib/io/qipaddress.cpp @@ -216,7 +216,10 @@ const QChar *parseIp6(IPv6Address &address, const QChar *begin, const QChar *end quint64 ll = qstrtoull(ptr, &endptr, 16, &ok); quint16 x = ll; - if (!ok || ll != x) + // Reject malformed fields: + // - failed to parse + // - too many hex digits + if (!ok || endptr > ptr + 4) return begin + (ptr - buffer.data()); if (*endptr == '.') { |