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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.

PUBLISHED Reserved 2026-01-14 | Published 2026-01-15 | Updated 2026-01-15 | Assigner VulnCheck




HIGH: 8.4CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
HIGH: 8.4CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem types

Out-of-bounds Write

Product status

1.9.9.1
affected

Credits

Achilles finder

References

www.exploit-db.com/exploits/50471 (ExploitDB-50471) exploit

www.litexmedia.com/youtube-grabber/ (Product Webpage) product

cve.org (CVE-2021-47775)

nvd.nist.gov (CVE-2021-47775)

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