Vulnerability details
CVE-2021-47775
Litexmedia YouTube Video Grabber
YouTube Video Grabber 1.9.9.1 - Buffer Overflow (SEH)
CVSS 4.0
8.4High
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.4High | 4.0 | CVEProject cvelistV5 (CNA) (VulnCheck) | 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 |
| 8.4High | 3.1 | CVEProject cvelistV5 (CNA) (VulnCheck) | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Litexmedia | YouTube Video Grabber | 1.9.9.1 | CVEProject cvelistV5 (CNA) |
References and advisories
2
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Details
- Published
- 2026-01-15
- Last updated
- 2026-01-15
- State
- Published
- Assigner (CNA)
- VulnCheck
Exploit prediction (EPSS)
0.17%
Probability of exploitation in 30 days
6.6%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- Proof of concept
- Technical impact
- Total
Weaknesses (CWE)
- CWE-787Out-of-bounds Write