https://github.com/ImageMagick/ImageMagick/issues/99
diff --git a/coders/viff.c b/coders/viff.c
index 27d1412..2c72812 100644
--- a/coders/viff.c
+++ b/coders/viff.c
@@ -502,8 +502,8 @@
max_packets=((image->columns+7UL) >> 3UL)*image->rows;
else
max_packets=(size_t) (number_pixels*viff_info.number_data_bands);
- pixels=(unsigned char *) AcquireQuantumMemory(max_packets,
- bytes_per_pixel*sizeof(*pixels));
+ pixels=(unsigned char *) AcquireQuantumMemory(MagickMax(number_pixels,
+ max_packets),bytes_per_pixel*sizeof(*pixels));
if (pixels == (unsigned char *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
count=ReadBlob(image,bytes_per_pixel*max_packets,pixels);