CVE-2019-25689

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 8.4 HIGH

8.4^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.5 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
http://www.html5videoplayer.net/download.html	Product
https://www.exploit-db.com/exploits/46279	Exploit VDB Entry
https://www.vulncheck.com/advisories/html5-video-player-local-buffer-overflow-non-seh	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:socusoft:html5_video_player:1.2.5:*:*:*:*:*:*:*

History

17 Apr 2026, 16:19

Type	Values Removed	Values Added
CPE		cpe:2.3:a:socusoft:html5_video_player:1.2.5:::::::*
First Time		Socusoft Socusoft html5 Video Player
References	~~() http://www.html5videoplayer.net/download.html -~~	() http://www.html5videoplayer.net/download.html - Product
References	~~() https://www.exploit-db.com/exploits/46279 -~~	() https://www.exploit-db.com/exploits/46279 - Exploit, VDB Entry
References	~~() https://www.vulncheck.com/advisories/html5-video-player-local-buffer-overflow-non-seh -~~	() https://www.vulncheck.com/advisories/html5-video-player-local-buffer-overflow-non-seh - Third Party Advisory

12 Apr 2026, 13:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-12 13:16

Updated : 2026-04-17 16:19

NVD link : CVE-2019-25689

Mitre link : CVE-2019-25689

CVE.ORG link : CVE-2019-25689

JSON object : View

Products Affected

socusoft

html5_video_player

CWE

CWE-787

Out-of-bounds Write

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