CVE-2018-16647 Denial of service in n/a
Remote attackers can cause a denial of service via a crafted PDF file in the MuPDF library, affecting applications using this component.
- 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-2018-16647?
CVE-2018-16647 is a medium-severity denial of service vulnerability in Artifex Mupdf, published on 6 Sep 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 Artifex MuPDF 1.13.0, the pdf_get_xref_entry function in pdf/pdf-xref.c allows remote attackers to cause a denial of service (segmentation fault in fz_write_data in fitz/output.c) via a crafted pdf file.
Weakness: CWE-119
Which versions are affected by CVE-2018-16647?
It affects 1 product.
Products include Artifex Mupdf.
How do I fix CVE-2018-16647?
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-2018-16647 being exploited?
There is no known exploitation of CVE-2018-16647 in the wild and no public exploit code.
Other vulnerabilities in Artifex Mupdf
Sources
Also known as DEBIAN-CVE-2018-16647, GHSA-jrh7-3h3c-f5j3, UBUNTU-CVE-2018-16647.