CVE-2019-25363 WMV to AVI MPEG DVD WMV Convertor 4.6.1217 - Denial of Service

High 8.4 Published Updated

Attackers can crash the video conversion application by submitting an oversized license input, causing a denial of service.

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-2019-25363?

CVE-2019-25363 is a high-severity memory corruption vulnerability in Alloksoft WMV to AVI MPEG DVD WMV Convertor, published on 18 Feb 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

WMV to AVI MPEG DVD WMV Convertor 4.6.1217 contains a buffer overflow vulnerability that allows attackers to crash the application by providing an oversized license input. Attackers can generate a 6000-byte payload and paste it into the 'License Name and License Code' field to trigger an application crash.

Weakness: CWE-121

Which versions are affected by CVE-2019-25363?

It affects 1 product.

Products include Alloksoft Wmv to Avi Mpeg Dvd Wmv Convertor.

How do I fix CVE-2019-25363?

No fix has been published for CVE-2019-25363 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-2019-25363 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-25363 exists.

Sources

Also known as GHSA-h43q-jc93-2r9j.

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