CVE-2019-3573 Denial of service in n/a
An attacker can cause a denial of service via an infinite loop in the libsixel library when processing malicious SIXEL images.
- 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-2019-3573?
CVE-2019-3573 is a medium-severity denial of service vulnerability in n/a, published on 2 Jan 2019. 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
In libsixel v1.8.2, there is an infinite loop in the function sixel_decode_raw_impl() in the file fromsixel.c, as demonstrated by sixel2png.
Weakness: CWE-835
Which versions are affected by CVE-2019-3573?
It affects 1 product.
Products include Saitoha Libsixel.
How do I fix CVE-2019-3573?
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-2019-3573 being exploited?
There is no known exploitation of CVE-2019-3573 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2019-3573, GHSA-c9j6-7rm4-w55j, UBUNTU-CVE-2019-3573.