CVE-2018-19839 Memory corruption in n/a
Attackers can cause a denial-of-service via heap-based buffer over-read in LibSass by providing a crafted sass file.
- 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-2018-19839?
CVE-2018-19839 is a medium-severity memory corruption vulnerability in n/a, published on 4 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 prior to 3.5.5, the function handle_error in sass_context.cpp allows attackers to cause a denial-of-service resulting from a heap-based buffer over-read via a crafted sass file.
Weakness: CWE-125
Which versions are affected by CVE-2018-19839?
It affects 1 product.
Products include Sass-Lang Libsass.
How do I fix CVE-2018-19839?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2018-19839 being exploited?
There is no known exploitation of CVE-2018-19839 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2018-19839, GHSA-pfp7-r6qm-94j7, UBUNTU-CVE-2018-19839.