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authorTobias Stoeckmann <tobias@stoeckmann.org>2016-09-25 21:25:25 +0200
committerUlrich Sibiller <uli42@gmx.de>2016-10-19 21:40:30 +0200
commit70e9d346fe34af127d2c827c3678e53d0f4312ae (patch)
tree183b9ec7e6897fb2cea7296b461a35ca93dfce6e /nxcompshad
parentb17557f9f0cd0ba992415411040e20390fa881f0 (diff)
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Validation of server responses in XGetImage()
Check if enough bytes were received for specified image type and geometry. Otherwise GetPixel and other functions could trigger an out of boundary read later on. Signed-off-by: Tobias Stoeckmann <tobias@stoeckmann.org> Reviewed-by: Matthieu Herrb <matthieu@herrb.eu> Backported-to-NX-by: Ulrich Sibiller <uli42@gmx.de>
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