CVE-2019-7321: Critical severity artifex software mupdf vulnerability

Published Jun 13, 2019

Updated

Usage of an uninitialized variable in the function fzloadjpeg in Artifex MuPDF 1.14 can result in a heap overflow vulnerability that allows an attacker to execute arbitrary code.

Affected Software

1 affected component

Artifex Mupdf=1.14.0

Remediation

Patch Available

https://github.com/ereisr00/bagofbugz/tree/master/MuPDF/700560

Event History

Jun 13, 2019

CVE Published

via MITRE·05:20 PM

Data Sourced

via MITRE·05:20 PM

Description

Frequently Asked Questions

What is CVE-2019-7321?

CVE-2019-7321 is a vulnerability in Artifex MuPDF 1.14 that allows an attacker to execute arbitrary code through a heap overflow.

What is the severity of CVE-2019-7321?

CVE-2019-7321 has a severity rating of 9.8, which is classified as critical.

How does CVE-2019-7321 affect Artifex MuPDF?

CVE-2019-7321 affects Artifex MuPDF 1.14, specifically in the function fz_load_jpeg, where the usage of an uninitialized variable can result in a heap overflow vulnerability.

How can an attacker exploit CVE-2019-7321?

An attacker can exploit CVE-2019-7321 by executing arbitrary code through the heap overflow vulnerability in Artifex MuPDF 1.14.

Is there a fix for CVE-2019-7321?

Yes, a fix for CVE-2019-7321 is available and users should update to the patched version of Artifex MuPDF 1.14.