diff options
Diffstat (limited to 'src/plugins/platforms/windows/qwindowsfontdatabase.cpp')
| -rw-r--r-- | src/plugins/platforms/windows/qwindowsfontdatabase.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/plugins/platforms/windows/qwindowsfontdatabase.cpp b/src/plugins/platforms/windows/qwindowsfontdatabase.cpp index 52825ebc6d..f081bbd307 100644 --- a/src/plugins/platforms/windows/qwindowsfontdatabase.cpp +++ b/src/plugins/platforms/windows/qwindowsfontdatabase.cpp @@ -165,6 +165,9 @@ namespace { Q_ASSERT(tagName.size() == 4); quint32 tagId = *(reinterpret_cast<const quint32 *>(tagName.constData())); + if (m_fontData.size() < sizeof(OffsetSubTable) + sizeof(TableDirectory)) + return 0; + OffsetSubTable *offsetSubTable = reinterpret_cast<OffsetSubTable *>(m_fontData.data()); TableDirectory *tableDirectory = reinterpret_cast<TableDirectory *>(offsetSubTable + 1); |