CVE-2020-16600 Use after free in n/a
A use-after-free flaw in MuPDF allows attackers to execute arbitrary code or cause denial of service via crafted PDF files.
- 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-2020-16600?
CVE-2020-16600 is a high-severity use after free vulnerability in Artifex Mupdf, published on 9 Dec 2020. 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
A Use After Free vulnerability exists in Artifex Software, Inc. MuPDF library 1.17.0-rc1 and earlier when a valid page was followed by a page with invalid pixmap dimensions, causing bander - a static - to point to previously freed memory instead of a newband_writer.
Weakness: CWE-416
Which versions are affected by CVE-2020-16600?
It affects 1 product.
Products include Artifex Mupdf.
How do I fix CVE-2020-16600?
Upgrade to a fixed version.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2020-16600 being exploited?
There is no known exploitation of CVE-2020-16600 in the wild and no public exploit code.
Other vulnerabilities in Artifex Mupdf
Sources
Also known as DEBIAN-CVE-2020-16600, GHSA-f9r5-j6qc-fj25, UBUNTU-CVE-2020-16600.