From: "Barak A. Pearlmutter" <barak+git@pearlmutter.net> Date: Mon, 10 May 2021 15:48:24 +0100 Subject: djvulibre-fedora Patch8 djvulibre-3.5.27-check-image-size.patch --- libdjvu/IW44Image.cpp | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/libdjvu/IW44Image.cpp b/libdjvu/IW44Image.cpp index e8d4b44..aa3d554 100644 --- a/libdjvu/IW44Image.cpp +++ b/libdjvu/IW44Image.cpp @@ -678,7 +678,11 @@ IW44Image::Map::image(signed char *img8, int rowsize, int pixsep, int fast) size_t sz = bw * bh; if (sz / (size_t)bw != (size_t)bh) // multiplication overflow G_THROW("IW44Image: image size exceeds maximum (corrupted file?)"); + if (sz == 0) + G_THROW("IW44Image: zero size image (corrupted file?)"); GPBuffer<short> gdata16(data16,sz); + if (data16 == NULL) + G_THROW("IW44Image: unable to allocate image data"); // Copy coefficients int i; short *p = data16;