CVE-2018-14403 Memory corruption in n/a

Critical 9.8 Published 19 Jul 2018 Updated 5 Aug 2024

Type confusion in MP4v2 library allows out-of-bounds memory access, potentially leading to code execution or denial of service.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2018-14403?

CVE-2018-14403 is a critical memory corruption vulnerability in n/a, published on 19 Jul 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

MP4NameFirstMatches in mp4util.cpp in MP4v2 2.0.0 mishandles substrings of atom names, leading to use of an inappropriate data type for associated atoms. The resulting type confusion can cause out-of-bounds memory access.

Weakness: CWE-704

Which versions are affected by CVE-2018-14403?

It affects 1 product.

Products include Techsmith Mp4v2.

How do I fix CVE-2018-14403?

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-2018-14403 being exploited?

There is no known exploitation of CVE-2018-14403 in the wild and no public exploit code.

Sources

Also known as GHSA-cq9c-6m4q-fv48, UBUNTU-CVE-2018-14403.