CVE-2021-47775 HIGH

CVE-2021-47775: YouTube Video Grabber 1.9.9.1 - Buffer Overflow (SEH)

Vendor Litexmedia
Product YouTube Video Grabber
Weakness CWE-787
Published January 15, 2026
Last update January 15, 2026
View on NVD All CVEs

CVSS base score

8.4/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction —
Confidentiality —
Integrity —

CVSS 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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

January 15, 2026 CVE published
January 15, 2026 Record updated