CVE-2019-19918 Memory corruption in n/a

High 7.8 Published Updated

A heap-based buffer overflow in Lout allows attackers to execute arbitrary code or cause a denial of service via crafted input.

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-2019-19918?

CVE-2019-19918 is a high-severity memory corruption vulnerability in Fedoraproject Fedora, published on 20 Dec 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

Lout 3.40 has a heap-based buffer overflow in the srcnext() function in z02.c.

Weakness: CWE-787

Which versions are affected by CVE-2019-19918?

It affects 4 products.

Products include Fedoraproject Fedora, Lout Project Lout, Opensuse Backports Sle, Opensuse Leap.

How do I fix CVE-2019-19918?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2019-19918 being exploited?

There is no known exploitation of CVE-2019-19918 in the wild and no public exploit code.

All Fedoraproject Fedora vulnerabilities

Sources

Also known as GHSA-q66x-hpg8-2g43, UBUNTU-CVE-2019-19918.

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