CVE-2018-5686 Denial of service in n/a
Remote attackers can cause a denial of service via a crafted PDF file due to an infinite loop in the MuPDF library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2018-5686?
CVE-2018-5686 is a medium-severity denial of service vulnerability in Artifex Mupdf, published on 14 Jan 2018. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-835
Which versions are affected by CVE-2018-5686?
It affects 2 products.
Products include Artifex Mupdf, Debian Debian Linux.
How do I fix CVE-2018-5686?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2018-5686 being exploited?
There is no known exploitation of CVE-2018-5686 in the wild and no public exploit code.
Other vulnerabilities in Artifex Mupdf
Sources
Also known as ALPINE-CVE-2018-5686, DEBIAN-CVE-2018-5686, GHSA-6j78-9283-gj3w, UBUNTU-CVE-2018-5686.