CVE-2019-9588

There is an Invalid memory access in gAtomicIncrement() located at GMutex.h in Xpdf 4.01. It can be triggered by sending a crafted pdf file to (for example) the pdftops binary. It allows an attacker to cause Denial of Service (Segmentation fault) or possibly have unspecified other impact.

CVE-2019-15860

Xpdf 2.00 allows a SIGSEGV in XRef::constructXRef in XRef.cc. NOTE: 2.00 is a version from November 2002.

CVE-2021-40226

xpdfreader 4.03 is vulnerable to Buffer Overflow.