CVE-2019-7321 Memory corruption in n/a
An attacker can execute arbitrary code via a heap overflow in the JPEG loading function of the MuPDF library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-7321?
CVE-2019-7321 is a critical memory corruption vulnerability in Artifex Mupdf, published on 13 Jun 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Usage of an uninitialized variable in the function fz_load_jpeg in Artifex MuPDF 1.14 can result in a heap overflow vulnerability that allows an attacker to execute arbitrary code.
Which versions are affected by CVE-2019-7321?
It affects 1 product.
Products include Artifex Mupdf.
How do I fix CVE-2019-7321?
No fix has been published for CVE-2019-7321 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2019-7321 being exploited?
There is no known exploitation of CVE-2019-7321 in the wild and no public exploit code.
Other vulnerabilities in Artifex Mupdf
Sources
Also known as GHSA-h4r8-57xx-v3q2.