CVE-2017-14686

Severity: high (CVSS 7.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2017-09-22 · updated 2026-06-17
Weakness: CWE-119

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.

Affected products

Artifex MuPDF: 1.11

References

http://git.ghostscript.com/?p=mupdf.git%3Bh=0f0fbc07d9be31f5e83ec5328d7311fdfd8328b1
http://www.debian.org/security/2017/dsa-4006
https://bugs.ghostscript.com/show_bug.cgi?id=698540
https://github.com/wlinzi/security_advisories/tree/master/CVE-2017-14686
http://git.ghostscript.com/?p=mupdf.git%3Bh=0f0fbc07d9be31f5e83ec5328d7311fdfd8328b1
http://www.debian.org/security/2017/dsa-4006
https://bugs.ghostscript.com/show_bug.cgi?id=698540
https://github.com/wlinzi/security_advisories/tree/master/CVE-2017-14686

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