High severity8.4NVD Advisory· Published Jan 15, 2026· Updated Apr 15, 2026
CVE-2021-47775
CVE-2021-47775
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.
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Affected products
2- Range: =1.9.9.1
- Range: =1.9.9.1
Patches
Vulnerability mechanics
References
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