Vincent Ulitzsch
Postdoctoral Researcher at Massachusetts Institute of Technology
Berlin, United States
Summary
🤩
Rockstar🎓
Top SchoolVincent Ulitzsch is a postdoctoral researcher and security-focused software engineer with a decade of experience spanning applied security research and fuzzing engineering. He holds a PhD track at TU Berlin with multiple visiting researcher stints at MIT and now a postdoc at MIT, blending rigorous academic work with hands-on vulnerability discovery. His open-source contributions include substantive backend and security work on Google's OSS-Fuzz project—improving fuzz targets, coverage, and fixing memory leaks in widely used libraries like giflib and xerces-c. Comfortable moving between research labs and production tooling, he uniquely combines low-level exploit mitigation insight with practical continuous-fuzzing integrations. Based in Berlin, he brings a methodical, research-driven approach to strengthening real-world software ecosystems.
9 years of coding experience
6 years of employment as a software developer
Visiting Phd Student, Visiting Phd Student at Massachusetts Institute of TechnologyAbitur, Abitur at Helmholtz-GymnasiumDoktor (Ph.D.), Computer Science, Doktor (Ph.D.), Computer Science at Technische Universität BerlinMobility Student, Computer Science, Mobility Student, Computer Science at ETH Zürich
Github Skills (12)
c1710
fuzzing10
c1110
security10
protobuffer9
protobuf9
cprogramming-language9
c-language9
testing8
fuzz-testing8
fuzzer8
xml7
Programming languages (12)
Github contributions (5)
google/oss-fuzz
Jan 2019 - Dec 2019
OSS-Fuzz - continuous fuzzing for open source software.
Role in this project:
Backend Engineer & Security Engineer
Backend Engineer & Security EngineerContributions:1 review, 6 commits, 6 PRs in 11 months
Contributions summary:Vincent contributed extensively to the `giflib` fuzzer within the OSS-Fuzz project. Their work included adding and extending fuzzing targets, improving code coverage, and integrating new features like protobuf specifications. They also addressed memory leaks and vulnerabilities by modifying code, which demonstrates an understanding of security best practices in fuzzing. Furthermore, they added a xerces-c integration.
oss-fuzzfuzz-testingossvulnerabilitiessecurity
viniul/oss-fuzz
Oct 2018 - Dec 2019
OSS-Fuzz - continuous fuzzing of open source software
Contributions:12 PRs, 24 pushes, 7 branches in 1 year 2 months
oss-fuzzosssecuritycontinuousfuzzing
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