CVE-2021-47775

HIGH

YouTube Downloader 1.9.9.1 - Buffer Overflow

Title source: llm

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.

Exploits (1)

exploitdb WORKING POC
by stresser · pythonlocalwindows
https://www.exploit-db.com/exploits/50471

References (2)

Scores

CVSS v3 8.4
EPSS 0.0002
EPSS Percentile 6.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Published Jan 15, 2026
Tracked Since Feb 18, 2026