CVE-2021-4219 Denial of service in imagemagick
An attacker can crash the system by exploiting improper file handling in ImageMagick, causing a denial of service.
- 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-2021-4219?
CVE-2021-4219 is a medium-severity denial of service vulnerability in Imagemagick Imagemagick, published on 23 Mar 2022. 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 flaw was found in ImageMagick. The vulnerability occurs due to improper use of open functions and leads to a denial of service. This flaw allows an attacker to crash the system.
Weakness: CWE-20
Which versions are affected by CVE-2021-4219?
It affects 1 product.
Products include Imagemagick Imagemagick.
How do I fix CVE-2021-4219?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-4219 being exploited?
There is no known exploitation of CVE-2021-4219 in the wild and no public exploit code.
Other vulnerabilities in Imagemagick Imagemagick
Sources
Also known as DEBIAN-CVE-2021-4219, GHSA-wrw9-5gqr-6wqh, JLSEC-2026-891, UBUNTU-CVE-2021-4219.