Fix security issue CVE-2014-0190

[taken from RedHat Qt3 patches]
(cherry picked from commit ad74a11abf)
r14.0.x
Slávek Banko 10 years ago
parent 2383ee57b0
commit 5184b53b9b

@ -904,7 +904,12 @@ int QGIFFormat::decode(QImage& img, QImageConsumer* consumer,
sheight = newtop + newheight;
if (img.isNull()) {
img.create(swidth, sheight, 32);
if (!img.create(swidth, sheight, 32)) {
// Check if the attempt to create the image failed. If
// it did, the image is broken and we should give up.
state = Error;
return -1;
}
memset( img.bits(), 0, img.numBytes() );
if (consumer) consumer->setSize(swidth, sheight);
}

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