CVE-2019-25689

HIGH CVSS 8.4 View on NVD ↗

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.

CVSS Vector

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

References

http://www.html5videoplayer.net/download.html
https://www.exploit-db.com/exploits/46279
https://www.vulncheck.com/advisories/html5-video-player-local-buffer-overflow-non-seh

Published: Apr 12, 2026 13:16 UTC Modified: Apr 12, 2026 13:16 UTC