Description
Qt 5.x before 5.15.6 and 6.x through 6.1.2 has an out-of-bounds write in QOutlineMapper::convertPath (called from QRasterPaintEngine::fill and QPaintEngineEx::stroke).
Affected products
qt: qt; fedoraproject: fedora
References10
- wiki.qt.io/Qt_5.15_Release#Known_Issues Issue TrackingRelease NotesVendor Advisory
- wiki.qt.io/Qt_5.15_Release#Known_Issues Issue TrackingRelease NotesVendor Advisory
- bugs.chromium.org/p/oss-fuzz/issues/detail?id=35566 Issue TrackingPatchThird Party Advisory
- github.com/qt/qtbase/commit/1ca02cf2879a5e1511a2f2109f0925cf4c8… PatchThird Party Advisory
- github.com/qt/qtbase/commit/202143ba41f6ac574f1858214ed8bf4a38b… PatchThird Party Advisory
- github.com/qt/qtbase/commit/6b400e3147dcfd8cc3a393ace1bd118c937… PatchThird Party Advisory
- bugs.chromium.org/p/oss-fuzz/issues/detail?id=35566 Issue TrackingPatchThird Party Advisory
- github.com/qt/qtbase/commit/1ca02cf2879a5e1511a2f2109f0925cf4c8… PatchThird Party Advisory
- github.com/qt/qtbase/commit/202143ba41f6ac574f1858214ed8bf4a38b… PatchThird Party Advisory
- github.com/qt/qtbase/commit/6b400e3147dcfd8cc3a393ace1bd118c937… PatchThird Party Advisory
Metrics
- CVSS 3.1
-
7.5
HIGH
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 3% percentile: 87 · as of 4 November 2026
- CWE
- CWE-787
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