Resolves: bz#2175742
This commit is contained in:
Jan Grulich 2023-04-18 09:59:31 +02:00
parent 1a6207b0c7
commit 660162554a
5 changed files with 7 additions and 227 deletions

1
.gitignore vendored
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@ -12,3 +12,4 @@
/qtsvg-everywhere-src-5.15.1.tar.xz
/qtsvg-everywhere-src-5.15.2.tar.xz
/qtsvg-everywhere-opensource-src-5.15.3.tar.xz
/qtsvg-everywhere-opensource-src-5.15.9.tar.xz

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@ -4,7 +4,7 @@
Summary: Qt5 - Support for rendering and displaying SVG
Name: qt5-%{qt_module}
Version: 5.15.3
Version: 5.15.9
Release: 1%{?dist}
# See LGPL_EXCEPTIONS.txt, LICENSE.GPL3, respectively, for exception details
@ -13,10 +13,6 @@ Url: http://www.qt.io
%global majmin %(echo %{version} | cut -d. -f1-2)
Source0: https://download.qt.io/official_releases/qt/%{majmin}/%{version}/submodules/%{qt_module}-everywhere-opensource-src-%{version}.tar.xz
# upstream fix
Patch0: qtsvg-5.15.2-clamp-parsed-doubles-to-float-representtable-values.patch
Patch1: qtsvg-5.15.2-do-strict-error-checking-when-parsing-path-nodes.patch
BuildRequires: make
BuildRequires: qt5-qtbase-devel >= %{version}
BuildRequires: pkgconfig(zlib)
@ -111,6 +107,10 @@ popd
%endif
%changelog
* Tue Apr 18 2023 Jan Grulich <jgrulich@redhat.com> - 5.15.9-1
- 5.15.9
Resolves: bz#2175742
* Mon Mar 28 2022 Jan Grulich <jgrulich@redhat.com> - 5.15.3-1
- 5.15.3
Resolves: bz#2061369

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@ -1,23 +0,0 @@
diff --git a/src/svg/qsvghandler.cpp b/src/svg/qsvghandler.cpp
index b3d9aaf..9dac05c 100644
--- a/src/svg/qsvghandler.cpp
+++ b/src/svg/qsvghandler.cpp
@@ -673,7 +673,8 @@ static qreal toDouble(const QChar *&str)
val = -val;
} else {
val = QByteArray::fromRawData(temp, pos).toDouble();
- if (qFpClassify(val) != FP_NORMAL)
+ // Do not tolerate values too wild to be represented normally by floats
+ if (qFpClassify(float(val)) != FP_NORMAL)
val = 0;
}
return val;
@@ -3046,6 +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())

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@ -1,198 +0,0 @@
diff --git a/src/svg/qsvghandler.cpp b/src/svg/qsvghandler.cpp
index b3d9aaf..402a71f 100644
--- a/src/svg/qsvghandler.cpp
+++ b/src/svg/qsvghandler.cpp
@@ -1614,6 +1614,7 @@ static void pathArc(QPainterPath &path,
static bool parsePathDataFast(const QStringRef &dataStr, QPainterPath &path)
{
+ const int maxElementCount = 0x7fff; // Assume file corruption if more path elements than this
qreal x0 = 0, y0 = 0; // starting point
qreal x = 0, y = 0; // current point
char lastMode = 0;
@@ -1621,7 +1622,8 @@ static bool parsePathDataFast(const QStringRef &dataStr, QPainterPath &path)
const QChar *str = dataStr.constData();
const QChar *end = str + dataStr.size();
- while (str != end) {
+ bool ok = true;
+ while (ok && str != end) {
while (str->isSpace() && (str + 1) != end)
++str;
QChar pathElem = *str;
@@ -1635,14 +1637,13 @@ static bool parsePathDataFast(const QStringRef &dataStr, QPainterPath &path)
arg.append(0);//dummy
const qreal *num = arg.constData();
int count = arg.count();
- while (count > 0) {
+ while (ok && count > 0) {
qreal offsetX = x; // correction offsets
qreal offsetY = y; // for relative commands
switch (pathElem.unicode()) {
case 'm': {
if (count < 2) {
- num++;
- count--;
+ ok = false;
break;
}
x = x0 = num[0] + offsetX;
@@ -1659,8 +1660,7 @@ static bool parsePathDataFast(const QStringRef &dataStr, QPainterPath &path)
break;
case 'M': {
if (count < 2) {
- num++;
- count--;
+ ok = false;
break;
}
x = x0 = num[0];
@@ -1686,8 +1686,7 @@ static bool parsePathDataFast(const QStringRef &dataStr, QPainterPath &path)
break;
case 'l': {
if (count < 2) {
- num++;
- count--;
+ ok = false;
break;
}
x = num[0] + offsetX;
@@ -1700,8 +1699,7 @@ static bool parsePathDataFast(const QStringRef &dataStr, QPainterPath &path)
break;
case 'L': {
if (count < 2) {
- num++;
- count--;
+ ok = false;
break;
}
x = num[0];
@@ -1741,8 +1739,7 @@ static bool parsePathDataFast(const QStringRef &dataStr, QPainterPath &path)
break;
case 'c': {
if (count < 6) {
- num += count;
- count = 0;
+ ok = false;
break;
}
QPointF c1(num[0] + offsetX, num[1] + offsetY);
@@ -1758,8 +1755,7 @@ static bool parsePathDataFast(const QStringRef &dataStr, QPainterPath &path)
}
case 'C': {
if (count < 6) {
- num += count;
- count = 0;
+ ok = false;
break;
}
QPointF c1(num[0], num[1]);
@@ -1775,8 +1771,7 @@ static bool parsePathDataFast(const QStringRef &dataStr, QPainterPath &path)
}
case 's': {
if (count < 4) {
- num += count;
- count = 0;
+ ok = false;
break;
}
QPointF c1;
@@ -1797,8 +1792,7 @@ static bool parsePathDataFast(const QStringRef &dataStr, QPainterPath &path)
}
case 'S': {
if (count < 4) {
- num += count;
- count = 0;
+ ok = false;
break;
}
QPointF c1;
@@ -1819,8 +1813,7 @@ static bool parsePathDataFast(const QStringRef &dataStr, QPainterPath &path)
}
case 'q': {
if (count < 4) {
- num += count;
- count = 0;
+ ok = false;
break;
}
QPointF c(num[0] + offsetX, num[1] + offsetY);
@@ -1835,8 +1828,7 @@ static bool parsePathDataFast(const QStringRef &dataStr, QPainterPath &path)
}
case 'Q': {
if (count < 4) {
- num += count;
- count = 0;
+ ok = false;
break;
}
QPointF c(num[0], num[1]);
@@ -1851,8 +1843,7 @@ static bool parsePathDataFast(const QStringRef &dataStr, QPainterPath &path)
}
case 't': {
if (count < 2) {
- num += count;
- count = 0;
+ ok = false;
break;
}
QPointF e(num[0] + offsetX, num[1] + offsetY);
@@ -1872,8 +1863,7 @@ static bool parsePathDataFast(const QStringRef &dataStr, QPainterPath &path)
}
case 'T': {
if (count < 2) {
- num += count;
- count = 0;
+ ok = false;
break;
}
QPointF e(num[0], num[1]);
@@ -1893,8 +1883,7 @@ static bool parsePathDataFast(const QStringRef &dataStr, QPainterPath &path)
}
case 'a': {
if (count < 7) {
- num += count;
- count = 0;
+ ok = false;
break;
}
qreal rx = (*num++);
@@ -1916,8 +1905,7 @@ static bool parsePathDataFast(const QStringRef &dataStr, QPainterPath &path)
break;
case 'A': {
if (count < 7) {
- num += count;
- count = 0;
+ ok = false;
break;
}
qreal rx = (*num++);
@@ -1938,12 +1926,15 @@ static bool parsePathDataFast(const QStringRef &dataStr, QPainterPath &path)
}
break;
default:
- return false;
+ ok = false;
+ break;
}
lastMode = pathElem.toLatin1();
+ if (path.elementCount() > maxElementCount)
+ ok = false;
}
}
- return true;
+ return ok;
}
static bool parseStyle(QSvgNode *node,
@@ -2979,8 +2970,8 @@ static QSvgNode *createPathNode(QSvgNode *parent,
QPainterPath qpath;
qpath.setFillRule(Qt::WindingFill);
- //XXX do error handling
- parsePathDataFast(data, qpath);
+ if (!parsePathDataFast(data, qpath))
+ qCWarning(lcSvgHandler, "Invalid path data; path truncated.");
QSvgNode *path = new QSvgPath(parent, qpath);
return path;

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@ -1 +1 @@
SHA512 (qtsvg-everywhere-opensource-src-5.15.3.tar.xz) = 288ce98bb6dd746564c7ffbd0d8221d0816c62b7e33424cd21d945b40308292ec9a0b1e2b9cca6ce91d606c06813f05068cad590d827810383175bebfa8ab527
SHA512 (qtsvg-everywhere-opensource-src-5.15.9.tar.xz) = e091c059492662fad713d1f99bfa5e21a8f8e77e24b067d176a6e732b420a22e3777fa99a880c6f992a19b2e5b16c01f131da875d9e08e6a515108b468192fe5