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CVE-2017-14686

Description

Artifex MuPDF 1.11 allows attackers to execute arbitrary code or cause a denial of service via a crafted .xps file, related to a "User Mode Write AV near NULL starting at wow64!Wow64NotifyDebugger+0x000000000000001d" on Windows. This occurs because read_zip_dir_imp in fitz/unzip.c does not check whether size fields in a ZIP entry are negative numbers.

POC

Reference

- https://bugs.ghostscript.com/show_bug.cgi?id=698540

Github

No PoCs found on GitHub currently.