CVE-2020-36971 Nidesoft 3GP Video Converter 2.6.18 - Local Stack Buffer Overflow

High 8.4 Published Updated

Attackers can execute arbitrary code by pasting a malicious payload into the License Code field of Nidesoft 3GP Video Converter.

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-2020-36971?

CVE-2020-36971 is a high-severity memory corruption vulnerability in Nidesoft 3GP Video Converter, published on 28 Jan 2026. 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

Nidesoft 3GP Video Converter 2.6.18 contains a local stack buffer overflow vulnerability in the license registration parameter. Attackers can craft a malicious payload and paste it into the 'License Code' field to execute arbitrary code on the system.

Weakness: CWE-121

Which versions are affected by CVE-2020-36971?

How do I fix CVE-2020-36971?

No fix has been published for CVE-2020-36971 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-2020-36971 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-36971 exists.

Sources

Also known as GHSA-hmhj-hh4g-c89r.

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