๐พ CaptainJack
Vulnerability Researcher
๋ฐ๋ณต์ ์ฒ์ฌ๋ฅผ ๋ณ๊ณ ๋ฏฟ์์ ๊ธฐ์ ์ ๋ง๋ ๋ค.
Web/App Pentesting Vulnerability Research Exploit Development
About me
I am a security professional with over 4 years of hands-on experience in Penetration Testing (Web/App/CS), currently expanding my focus into Vulnerability Research (VR) and Exploit Development.
My current research focuses on identifying structural flaws, analyzing 1-day vulnerabilities, and gaining a deeper understanding of low-level system internals.
๐ก๏ธ Open Source Vulnerability Contributions
| Project | Type | Severity | CVE | Link |
|---|---|---|---|---|
| Joplin | DoS (Resource Alloc.) | Moderate (5.5) | CVE-2025-57798 | Advisory |
| Bento4 | Heap OOB Read | Moderate (self) | CVE-2026-38232 | Issue #1060 |
| Chafa | Integer Overflow โ OOB Write | โ | โ | v1.18.2 |
| Nokogiri | Memory Leak (XSLT) | Moderate (5.3) | โ | Advisory |
Core Skills
Offensive ยท Penetration Testing (Web/App/CS)
Low-level ยท Memory Corruption (OOB / Integer Overflow / Memory Leak)
๐ซ Contact
๐ PGP Public Key
For encrypted vulnerability reports, or to verify my signatures.
Fingerprint ยท B453 F46C A2A6 CE45 8E75 9F69 6936 6438 8D83 A64F
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