CVE-2019-25689: HTML5 Video Player 1.2.5 Local Buffer Overflow Non-SEH

Published Apr 12, 2026

Updated

HTML5 Video Player 1.2.5 contains a local buffer overflow vulnerability that allows attackers to execute arbitrary code by supplying an oversized key code string. Attackers can craft a malicious payload exceeding 997 bytes and paste it into the KEY CODE field in the Help Register dialog to trigger code execution and spawn a calculator process.

Affected Software

2 affected components

HTML5 Video Player=1.2.5

Socusoft Html5 Video Player=1.2.5

Event History

Apr 12, 2026

CVE Published

via MITRE·12:28 PM

Data Sourced

via MITRE·12:28 PM

DescriptionSeverityWeakness

Data Sourced

via NVD·01:16 PM

DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

What is the severity of CVE-2019-25689?

The severity of CVE-2019-25689 is rated high with a score of 8.6.

How do I fix CVE-2019-25689?

To fix CVE-2019-25689, update the HTML5 Video Player to the latest version that addresses the buffer overflow vulnerability.

What type of vulnerability is CVE-2019-25689?

CVE-2019-25689 is a local buffer overflow vulnerability.

Can CVE-2019-25689 be exploited remotely?

No, CVE-2019-25689 requires local access to exploit since it involves manipulating the Help Register dialog.

What can attackers do with CVE-2019-25689?

Attackers can execute arbitrary code by providing an oversized key code string in the Help Register dialog.

Company

Resources

Contact

SecAlerts Pty Ltd.
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Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

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CVE-2019-25689: HTML5 Video Player 1.2.5 Local Buffer Overflow Non-SEH

Affected Software

Event History

Don't miss critical vulnerabilities

Frequently Asked Questions

What is the severity of CVE-2019-25689?

How do I fix CVE-2019-25689?

What type of vulnerability is CVE-2019-25689?

Can CVE-2019-25689 be exploited remotely?

What can attackers do with CVE-2019-25689?

Company

Resources

Contact

Frequently Asked Questions

What is the severity of CVE-2019-25689?

How do I fix CVE-2019-25689?

What type of vulnerability is CVE-2019-25689?

Can CVE-2019-25689 be exploited remotely?

What can attackers do with CVE-2019-25689?