CVE-2020-16293 Null dereference in n/a
A remote attacker can cause a denial of service in GhostScript by submitting a crafted PDF file that triggers a null pointer dereference.
- 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-2020-16293?
CVE-2020-16293 is a medium-severity vulnerability in Artifex Ghostscript, published on 13 Aug 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 null pointer dereference vulnerability in compose_group_nonknockout_nonblend_isolated_allmask_common() in base/gxblend.c of Artifex Software GhostScript v9.50 allows a remote attacker to cause a denial of service via a crafted PDF file. This is fixed in v9.51.
Weakness: CWE-476
Which versions are affected by CVE-2020-16293?
It affects 3 products.
Products include Artifex Ghostscript, Canonical Ubuntu Linux, Debian Debian Linux.
How do I fix CVE-2020-16293?
Upgrade to a fixed version.
Is CVE-2020-16293 being exploited?
There is no known exploitation of CVE-2020-16293 in the wild and no public exploit code.
Other vulnerabilities in Artifex Ghostscript
Sources
Also known as ALPINE-CVE-2020-16293, DEBIAN-CVE-2020-16293, GHSA-v94m-px3x-gg3c, UBUNTU-CVE-2020-16293.