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CVE-2024-5274 is a type confusion vulnerability in the V8 JavaScript engine in Google Chrome. It affects Google Chrome versions prior to 125.0.6422.112 and can be triggered by a remote attacker through a crafted HTML page. Successful exploitation allows arbitrary code execution within the Chrome sandbox. The vulnerability was reported as actively exploited in the wild and was addressed by Google in Chrome 125.0.6422.112/.113. The issue is part of a broader pattern of exploited V8 type confusion flaws observed in 2024.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos (1 hidden).
This repository contains a proof-of-concept exploit for CVE-2024-5274, a vulnerability in the V8 JavaScript engine used by Google Chrome and other Chromium-based browsers. The exploit is implemented in a single JavaScript file (exploit.js) and is intended to be run in the d8 shell, a standalone V8 runtime for testing and debugging. The exploit leverages a bytecode mismatch and JIT compilation behaviors to achieve out-of-bounds (OOB) read and write primitives by manipulating array maps and memory layouts. The README credits the authors and contributors and provides context for the exploit's development. There are no network endpoints, URLs, or external targets hardcoded in the code; the exploit is purely local and targets the V8 engine internals. The code is well-commented and demonstrates advanced exploitation techniques for browser engine research and vulnerability analysis.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
11 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability in Google Chrome for Android (CVE-2024-5274) used as part of an exploit chain to deploy an infostealer payload targeting cookies, autofill data, and browsing history.
A V8 type confusion vulnerability in Chromium patched in 2024. Mentioned as one of several exploited V8 vulnerabilities this year.
A zero-day vulnerability in Google Chrome's V8 JavaScript engine that was actively exploited, prompting multiple emergency patches.
A Google Chrome V8 engine zero-day vulnerability referenced as exploited and requiring multiple patches (details not provided in the excerpt).
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.