In Artifex MuPDF 1.12.0 and earlier, multiple memory leaks in the PDF parser allow an attacker to cause a denial of service (memory leak) via a crafted file.

Artifex Mupdf version 1.12.0 contains a Use After Free vulnerability in fzkeepkeystorable that can result in DOS / Possible code execution. This attack appear to be exploitable via Victim opens a specially crafted PDF.

Heap-based buffer overflow in the ensuresolidxref function in pdf/pdf-xref.c in Artifex MuPDF 1.12.0 allows a remote attacker to potentially execute arbitrary code via a crafted PDF file, because xref subsection object numbers are unrestricted.

In Artifex MuPDF 1.12.0 and earlier, multiple use of uninitialized value bugs in the PDF parser could allow an attacker to cause a denial of service (crash) or influence program flow via a crafted file.

In Artifex MuPDF 1.12.0 and earlier, multiple reachable assertions in the PDF parser allow an attacker to cause a denial of service (assert crash) via a crafted file.

In Artifex MuPDF 1.12.0 and earlier, a stack buffer overflow in function pdflookupcmapfull in pdf/pdf-cmap.c could allow an attacker to execute arbitrary code via a crafted file.

In Artifex MuPDF 1.12.0 and earlier, multiple heap use after free bugs in the PDF parser could allow an attacker to execute arbitrary code, read memory, or cause a denial of service via a crafted file.