CVE-2018-5686

Name: CVE-2018-5686
Creator: NVD / NIST
Published: 2018-01-14T02:29:05.213+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 1.47%

Last modified Jun 17, 2026

CVE-2018-5686 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. In MuPDF 1.12.0, there is an infinite loop vulnerability and application hang in the pdf_parse_array function (pdf/pdf-parse.c) because EOF is not considered. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted pdf file.. EPSS estimates a 1.47% chance of exploitation in the next 30 days.

Description

In MuPDF 1.12.0, there is an infinite loop vulnerability and application hang in the pdf_parse_array function (pdf/pdf-parse.c) because EOF is not considered. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted pdf file.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS Probability

1.47%

70.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-835

Affected Software

Vendor	Product	Versions
Artifex	Mupdf	1.12.0
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0

References

https://bugs.ghostscript.com/show_bug.cgi?id=698860Exploit, Issue Tracking, Third Party Advisory
https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=b70eb93f6936c03d8af52040bbca4d4a7db39079
https://lists.debian.org/debian-lts-announce/2019/06/msg00027.htmlThird Party Advisory
https://security.gentoo.org/glsa/201811-15Third Party Advisory
https://www.debian.org/security/2018/dsa-4334Third Party Advisory
https://bugs.ghostscript.com/show_bug.cgi?id=698860Exploit, Issue Tracking, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/06/msg00027.htmlThird Party Advisory
https://security.gentoo.org/glsa/201811-15Third Party Advisory
https://www.debian.org/security/2018/dsa-4334Third Party Advisory

Timeline

Published: Jan 14, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-5686?

How severe is CVE-2018-5686?

CVE-2018-5686 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 1.47% probability of exploitation in the next 30 days.

How do I fix CVE-2018-5686?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-5686?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST