23 lines
806 B
Diff
23 lines
806 B
Diff
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Update:
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What this fixes was later assigned CVE-2023-45872
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https://lists.qt-project.org/pipermail/development/2023-October/044577.html
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https://bugs.gentoo.org/915582
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https://bugreports.qt.io/browse/QTBUG-117944
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https://codereview.qt-project.org/c/qt/qtsvg/+/510692
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https://github.com/qt/qtsvg/commit/effc44495a33babd4cf7a2044123f420e6b3da1c
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From: Paul Olav Tvete <paul.tvete@qt.io>
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Date: Tue, 10 Oct 2023 10:14:22 +0200
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Subject: [PATCH] Fix nullptr dereference with invalid SVG
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--- a/src/svg/qsvghandler.cpp
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+++ b/src/svg/qsvghandler.cpp
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@@ -3606,6 +3606,8 @@ void QSvgHandler::init()
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static bool detectCycles(const QSvgNode *node, QList<const QSvgUse *> active = {})
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{
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+ if (Q_UNLIKELY(!node))
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+ return false;
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switch (node->type()) {
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case QSvgNode::DOC:
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case QSvgNode::G:
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