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-rw-r--r--recipes-qt/qt5/qtsvg/CVE-2021-3481.patch73
1 files changed, 73 insertions, 0 deletions
diff --git a/recipes-qt/qt5/qtsvg/CVE-2021-3481.patch b/recipes-qt/qt5/qtsvg/CVE-2021-3481.patch
new file mode 100644
index 00000000..1b67914c
--- /dev/null
+++ b/recipes-qt/qt5/qtsvg/CVE-2021-3481.patch
@@ -0,0 +1,73 @@
+CVE: CVE-2021-3481
+Upstream-Status: Backport [https://codereview.qt-project.org/gitweb?p=qt%2Fqtsvg.git;a=commit;h=bfd6ee0]
+
+Backport and squash commits 85b70a721695991e8a5bbe4aa52e5320e170e90c and
+bfd6ee0d8cf34b63d32adf10ed93daa0086b359f to fix CVE-2021-3481.
+
+Signed-off-by: Kai Kang <kai.kang@windriver.com>
+
+From 6c40fd492eafabe67177c0e84839beec5be298b8 Mon Sep 17 00:00:00 2001
+From: Eirik Aavitsland <eirik.aavitsland@qt.io>
+Date: Tue, 1 Dec 2020 14:39:59 +0100
+Subject: [PATCH] Improve handling of malformed numeric values in svg files
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Catch cases where the input is not containable in a qreal, and avoid
+passing on inf values.
+
+Pick-to: 6.0 5.15 5.12
+Change-Id: I1ab8932d94473916815385240c29e03afb0e0c9e
+Reviewed-by: Robert Loehning <robert.loehning@qt.io>
+Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
+
+Clamp parsed doubles to float representable values
+
+Parts of our rendering assumes incoming doubles can still be sane
+floats.
+
+Pick-to: 6.1 6.0 5.15 5.12
+Fixes: QTBUG-91507
+Change-Id: I7086a121e1b5ed47695a1251ea90e774dd8f148d
+Reviewed-by: Robert Löhning <robert.loehning@qt.io>
+Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
+Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
+---
+ src/svg/qsvghandler.cpp | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+diff --git a/src/svg/qsvghandler.cpp b/src/svg/qsvghandler.cpp
+index c937254..9dac05c 100644
+--- a/src/svg/qsvghandler.cpp
++++ b/src/svg/qsvghandler.cpp
+@@ -65,6 +65,7 @@
+ #include "private/qmath_p.h"
+
+ #include "float.h"
++#include <cmath>
+
+ QT_BEGIN_NAMESPACE
+
+@@ -672,6 +673,9 @@ static qreal toDouble(const QChar *&str)
+ val = -val;
+ } else {
+ val = QByteArray::fromRawData(temp, pos).toDouble();
++ // Do not tolerate values too wild to be represented normally by floats
++ if (qFpClassify(float(val)) != FP_NORMAL)
++ val = 0;
+ }
+ return val;
+
+@@ -3043,6 +3047,8 @@ static QSvgStyleProperty *createRadialGradientNode(QSvgNode *node,
+ ncy = toDouble(cy);
+ if (!r.isEmpty())
+ nr = toDouble(r);
++ if (nr < 0.5)
++ nr = 0.5;
+
+ qreal nfx = ncx;
+ if (!fx.isEmpty())
+--
+2.29.2
+