CVE-2019-25689 - CVE House
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Status published High CVE-2019-25689

HTML5 Video Player 1.2.5 Local Buffer Overflow Non-SEH

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Dino Covotsos - Telspace Systems

Affected Vendor

Html5Videoplayer

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Affected Software

HTML5 Video Player
Vulnerable Versions:
1.2.5

Timeline

Official Publish: April 12th, 2026
Last Modified: April 15th, 2026
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)