YouTube Video Grabber, now referred to as YouTube Downloader, 1.9.9.1 contains a buffer overflow vulnerability that allows attackers to execute arbitrary code by overwriting the Structured Exception Handler. Attackers can craft a malicious payload of 712 bytes with SEH manipulation to trigger a bind shell connection on a specified local port.
Advisories

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Fixes

Solution

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Workaround

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History

Thu, 15 Jan 2026 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Thu, 15 Jan 2026 16:00:00 +0000

Type Values Removed Values Added
Description YouTube Video Grabber, now referred to as YouTube Downloader, 1.9.9.1 contains a buffer overflow vulnerability that allows attackers to execute arbitrary code by overwriting the Structured Exception Handler. Attackers can craft a malicious payload of 712 bytes with SEH manipulation to trigger a bind shell connection on a specified local port.
Title YouTube Video Grabber 1.9.9.1 - Buffer Overflow (SEH)
Weaknesses CWE-787
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': 8.4, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-01-15T16:46:04.528Z

Reserved: 2026-01-14T14:39:44.736Z

Link: CVE-2021-47775

cve-icon Vulnrichment

Updated: 2026-01-15T16:46:00.620Z

cve-icon NVD

Status : Received

Published: 2026-01-15T16:16:09.347

Modified: 2026-01-15T16:16:09.347

Link: CVE-2021-47775

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses