CVE-2021-47775 - CVE House
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Status published High CVE-2021-47775

YouTube Video Grabber 1.9.9.1 - Buffer Overflow (SEH)

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Achilles

References

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CVE-2022-50922
Audio Conversion Wizard v2.01 - Buffer Overflow
High 8.6

Affected Vendor

Affected Software

YouTube Video Grabber
Vulnerable Versions:
1.9.9.1

Timeline

Official Publish: January 15th, 2026
Last Modified: January 15th, 2026
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-787

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1055 Process Injection
Defense Evasion
T1105 Ingress Tool Transfer
Command and Control
T1485 Data Destruction
Impact