CVE-2019-25689 HIGH

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

Vendor Html5Videoplayer
Product HTML5 Video Player
Weakness CWE-787
Published April 12, 2026
Last update April 15, 2026

CVSS base score

8.6/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 12, 2026 CVE published
April 15, 2026 Record updated