PDFAlto v0.4 was discovered to contain a heap buffer overflow via the component /pdfalto/src/pdfalto.cc.

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.

A issue was found in pdfalto 0.2. There is a heap-based buffer overflow in the TextPage::addAttributsNode function in XmlAltoOutputDev.cc.

An issue has been found in pdfalto through 0.2. It is a heap-based buffer overflow in the function TextPage::dump in XmlAltoOutputDev.cc.