CVE-2018-11547 Memory corruption in n/a

Critical 9.8 Published 29 May 2018 Updated 16 Sep 2024

A heap-based buffer over-read in the md4c library allows attackers to cause denial of service or disclose sensitive memory contents.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-11547?

CVE-2018-11547 is a critical memory corruption vulnerability in n/a, published on 29 May 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

md_is_link_reference_definition_helper in md4c 0.2.5 has a heap-based buffer over-read because md_is_link_label mishandles loop termination.

Weakness: CWE-125

Which versions are affected by CVE-2018-11547?

It affects 1 product.

Products include Md4c Project Md4c.

How do I fix CVE-2018-11547?

No fix has been published for CVE-2018-11547 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-2018-11547 being exploited?

There is no known exploitation of CVE-2018-11547 in the wild and no public exploit code.

Sources

Also known as GHSA-6444-mjj8-cj4f.