CVE-2019-25689

High

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.

SeverityHigh
CVSS8.4
Exploit probability—
ProductSocusoft Html5 Video Player
PublishedApr 12, 2026
First seenApr 12, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
socusoft html5_video_player1.2.5—

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