CVE-2018-20861 Denial of service in n/a

Medium 6.5 Published 30 Jul 2019 Updated 5 Aug 2024

A malformed MPTM file can cause a crash in the libopenmpt library, leading to a denial of service for applications using it.

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-2018-20861?

CVE-2018-20861 is a medium-severity denial of service vulnerability in n/a, published on 30 Jul 2019. 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

libopenmpt before 0.3.11 allows a crash with certain malformed custom tunings in MPTM files.

Weakness: CWE-20

Which versions are affected by CVE-2018-20861?

It affects 1 product.

Products include Openmpt Libopenmpt.

How do I fix CVE-2018-20861?

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-2018-20861 being exploited?

There is no known exploitation of CVE-2018-20861 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2018-20861, GHSA-9vqq-xx2q-g8gh, UBUNTU-CVE-2018-20861.