CVE-2018-20190 Null dereference in n/a
A crafted Sass file can trigger a null pointer dereference in LibSass, causing an application crash and denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2018-20190?
CVE-2018-20190 is a medium-severity vulnerability in n/a, published on 17 Dec 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
In LibSass 3.5.5, a NULL Pointer Dereference in the function Sass::Eval::operator()(Sass::Supports_Operator*) in eval.cpp may cause a Denial of Service (application crash) via a crafted sass input file.
Weakness: CWE-476
Which versions are affected by CVE-2018-20190?
It affects 1 product.
Products include Sass-Lang Libsass.
How do I fix CVE-2018-20190?
Upgrade to a fixed version.
Is CVE-2018-20190 being exploited?
There is no known exploitation of CVE-2018-20190 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2018-20190, GHSA-f9vp-f9xq-w8wr, JLSEC-2026-503, UBUNTU-CVE-2018-20190.