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Chrome V8 Logic Bug / Use-After-Free

Chrome V8 Logic Bug / Use-After-Free
Posted Jun 11, 2023
Authored by Man Yue Mo, GitHub Security Lab

Proof of concept for a logic bug in the implementation of the garbage collector (GC) in v8 (the JavaScript interpreter of Chrome). The exploit poc.js is tested on v8 version 9.4.146.16 (commit 452f57b), which is the version shipped with Chrome 94.0.4606.61, the one before the bug was fixed, on Ubuntu 20.04.

tags | exploit, javascript, proof of concept
systems | linux, ubuntu
advisories | CVE-2021-37975
SHA-256 | 9bcd05375f4716e560bf2a6e62f7e0eed58e6eb6f38f4070b6205036e9ca28ca
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