CVE-2019-25689

HIGH

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 v3.1 Score

8.4
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Published: 4/12/2026Modified: 4/17/2026

Related Intelligence (0)

No articles currently reference this CVE.

References (3)

http://www.html5videoplayer.net/download.htmlProducthttps://www.exploit-db.com/exploits/46279ExploitVDB Entryhttps://www.vulncheck.com/advisories/html5-video-player-local-buffer-overflow-non-sehThird Party Advisory