UBUNTU-CVE-2019-9878

There is an invalid memory access in the function GfxIndexedColorSpace::mapColorToBase located in GfxState.cc in Xpdf 4.0.0, as used in pdfalto 0.2. It can be triggered by for example sending a crafted pdf file to the pdftops binary. It allows an attacker to cause Denial of Service Segmentation...