CVE-2019-25689
HTML5 Video Player 1.2.5 Local Buffer Overflow Non-SEH
- State
- Published
- Severity
- 8.6 High
- Published
- Apr 12, 2026
- Updated
- Apr 15, 2026
- Reserved
- Apr 5, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.6 High | 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 | VulnCheck |
| 3.1 | 8.4 High | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-787 Out-of-bounds Write
Affected Products
| Product | Versions |
|---|---|
HTML5 Video PlayerHtml5Videoplayer |
|
References
- ExploitDB-46279exploit
- Official Product Homepageproduct
- VulnCheck Advisory: HTML5 Video Player 1.2.5 Local Buffer Overflow Non-SEHthird-party-advisory
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