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CVE-2024-9370 is a high-severity incorrect-optimization vulnerability in the V8 JavaScript engine used by Google Chrome. Maglev escape analysis can incorrectly elide an inlined allocation for a constructor’s receiver object when the constructor returns a primitive and no subsequent use of the receiver is visible to the optimizer. If Error() is invoked in that constructor, stack traversal can encounter the elided receiver and violate a V8 materialization invariant, resulting in a CHECK failure. The invariant violation may be exploitable for memory corruption and arbitrary code execution in the renderer process.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
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No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
5 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability included in the Gentoo GLSA-202608-29 browser security advisory.
A Microsoft Edge Chromium vulnerability involving inappropriate implementation in V8, referenced as advisory information.
A high-severity incorrect optimization vulnerability in Google Chrome's V8 JavaScript engine Maglev compiler escape analysis that can be triggered by a specially crafted HTML page and may lead to arbitrary code execution in the renderer process.
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.