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Securing open source software, together




Enhance security by fostering global collaboration.
We do the hard work, you can use it.
Dive into security research on open-source projects to explore new and emerging threats, and learn how to mitigate them so that you can make your own software more secure.
Read the Research
Latest vulnerabilities disclosed
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Denial of Service (DoS) because of null pointer dereference in 7-Zip - CVE-2025-53817
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Denial of Service (DoS) because of memory corruption in 7-Zip - CVE-2025-53816
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Heap buffer write in OpenCV - CVE-2025-53644
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OOB Write in MMRDecoder
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Use After Free (UAF) in Poppler - CVE-2025-52886


Join us in our mission to improve open source security for all
Have you used CodeQL’s variant analysis to find vulnerabilities on open source projects? Give your work the visibility it deserves by submitting your finding for the CodeQL Wall of Fame.
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Embracing Enterprise & Open Source
Contributions from maintainers, developers, and security researchers around the world push us forward, making the open source software a better place.
Open Source Community
Learn about secure coding practices, get hands-on with AppSec training, and connect with experts during our office hours – free for open source developers, maintainers, and security researchers.




GitHub Security Lab for the Enterprise
At the GitHub Security Lab, our security experts, through community collaboration, strengthen open source security which is crucial for enterprises. We channel the community’s contributions into proven CodeQL queries and timely security advisories, and offer enterprises actionable insights that help secure your supply chain and accelerate the software development lifecycle.
About the GitHub Security Lab.

Learn more on GitHub Security Lab
Through research, education, and maintenance of the GitHub Advisory Database, we empower the community.
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Through research, education, and maintenance of the GitHub Advisory Database, we empower the community.