CVE-2019-9878: Pdfalto Project Pdfalto

High severity, CVSS 7.8. EPSS: 1.2% chance of exploitation in the next 30 days.

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 fault) or possibly have unspecified other impact.

Affected products

• Pdfalto Project Pdfalto: version 0.2 only
• Xpdfreader Xpdf: version 4.0.0 only

Published 2019-03-21. Last modified 2026-06-17.