CVE-2018-16648 Integer overflow in n/a
Remote attackers can cause a denial of service via a crafted PDF file due to an array-index underflow 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-2018-16648?
CVE-2018-16648 is a medium-severity 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 fz_append_byte function in fitz/buffer.c allows remote attackers to cause a denial of service (segmentation fault) via a crafted pdf file. This is caused by a pdf/pdf-device.c pdf_dev_alpha array-index underflow.
Weakness: CWE-129
Which versions are affected by CVE-2018-16648?
It affects 1 product.
Products include Artifex Mupdf.
How do I fix CVE-2018-16648?
Upgrade to a fixed version.
Is CVE-2018-16648 being exploited?
There is no known exploitation of CVE-2018-16648 in the wild and no public exploit code.
Other vulnerabilities in Artifex Mupdf
Sources
Also known as DEBIAN-CVE-2018-16648, GHSA-gh3f-f9wp-hrhm, UBUNTU-CVE-2018-16648.