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| author | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2020-02-20 12:37:21 +0100 |
|---|---|---|
| committer | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2020-02-26 13:03:51 +0100 |
| commit | 45530ad4c5c6d3e90fe6d5a63f3bb551f37ad917 (patch) | |
| tree | 54bd645720e8aa9ae3fc53ce76bbed8079e156a0 /src/svg/qsvgstyle_p.h | |
| parent | d072a505d7ff39d509b9c9e2de8722cd3549b4df (diff) | |
| download | qtsvg-45530ad4c5c6d3e90fe6d5a63f3bb551f37ad917.tar.gz | |
Restrict nested use nodes processed
To avoid exponential blow up, limit the number of use nodes processed
under a certain depth. This should still allow the common use of many
shallow uses, but limit anything dangerous.
Change-Id: I3af6dacb61c68350876fb03f056f02a287ea4e33
Fixes: QTBUG-82153
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
Diffstat (limited to 'src/svg/qsvgstyle_p.h')
| -rw-r--r-- | src/svg/qsvgstyle_p.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/svg/qsvgstyle_p.h b/src/svg/qsvgstyle_p.h index 39aa690..9d616d4 100644 --- a/src/svg/qsvgstyle_p.h +++ b/src/svg/qsvgstyle_p.h @@ -145,6 +145,8 @@ struct Q_SVG_PRIVATE_EXPORT QSvgExtraStates int fontWeight; Qt::FillRule fillRule; qreal strokeDashOffset; + int nestedUseLevel = 0; + int nestedUseCount = 0; bool vectorEffect; // true if pen is cosmetic }; |