CVE-2019-25689

HTML5 Video Player 1.2.5 Local Buffer Overflow Non-SEH

Published Apr 12, 2026 CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Socusoft
Socusoft html5 Video Player
CPEs cpe:2.3:a:socusoft:html5_video_player:1.2.5:*:*:*:*:*:*:*
Vendors & Products Socusoft
Socusoft html5 Video Player
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Html5videoplayer
Html5videoplayer html5 Video Player
Vendors & Products Html5videoplayer
Html5videoplayer html5 Video Player
Type Values Removed Values Added
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.
Title HTML5 Video Player 1.2.5 Local Buffer Overflow Non-SEH
First Time appeared Bplugins
Bplugins html5 Video Player
Weaknesses CWE-787
CPEs cpe:2.3:a:bplugins:html5_video_player:1.2.5:*:*:*:*:*:*:*
Vendors & Products Bplugins
Bplugins html5 Video Player
References
Metrics cvssV3_1

{'score': 8.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.6, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Apr 15, 2026, 3:21 PM
Reserved
Apr 5, 2026, 3:31 PM
Status
Analyzed
Published
Apr 12, 2026, 1:16 PM
Modified
Jun 17, 2026, 2:32 AM