CVE-2018-12112 Memory corruption in n/a

High 7.8 Published 11 Jun 2018 Updated 17 Sep 2024

Remote attackers can cause a denial of service via a crafted file in the md4c Markdown parser library.

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: None listed

What is CVE-2018-12112?

CVE-2018-12112 is a high-severity memory corruption vulnerability in n/a, published on 11 Jun 2018. 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

md_build_attribute in md4c.c in md4c 0.2.6 allows remote attackers to cause a denial of service (Segmentation fault and application crash) or possibly have unspecified other impact via a crafted file.

Weakness: CWE-119

Which versions are affected by CVE-2018-12112?

It affects 1 product.

Products include Md4c Project Md4c.

How do I fix CVE-2018-12112?

No fix has been published for CVE-2018-12112 yet. Limit exposure of the affected software until one is available.

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

Is CVE-2018-12112 being exploited?

There is no known exploitation of CVE-2018-12112 in the wild and no public exploit code.

Sources

Also known as GHSA-jq5q-92cj-cwxc.