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CVE-2025-5419 — An uninitialized read vulnerability by incorrect Turboshaft Store-Store Elimination in V8. | Kitploit
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GitHubbjrjk/cve-2025-5419

CVE-2025-5419

An uninitialized read vulnerability by incorrect Turboshaft Store-Store Elimination in V8.

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3046 months agoReviewed by Kitploit

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CVE-2025-5419

An uninitialized read vulnerability by incorrect Turboshaft Store-Store Elimination in V8.

This repository contains analysis and stablized exploit to escalate this vulnerability to achieve in-V8-sandbox Arbitrary Read / Write, AddressOf & FakeObject primitives.

Analysis: CVE-2025-5419.pdf

Reproduce Information

  • OS: Ubuntu 24.04
  • Git Commit: 609a85c2a1bd77d6f6905369f4bc4fcf34c5db09

Acknowledgement

  • Shoutout to Clement Lecigne @_clem1 and Benoît Sevens @benoitsevens for finding the bug.
  • Shoutout to @mistymntncop for providing a wonderfully crafted exploit.

References

  1. https://issues.chromium.org/issues/420636529
  2. https://github.com/mistymntncop/CVE-2025-5419/blob/main/exploit.js
  3. https://chromium-review.googlesource.com/c/v8/v8/+/6594051

Disclaimer

This repository is intended solely for educational purposes and must not be used for any malicious activities.

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