V8 out-of-bounds write via JavaScript during array deserialization in Google Chrome
CVE-2018-17480 is an out-of-bounds write vulnerability in the V8 JavaScript engine in Google Chrome prior to 71.0.3578.80. According to the provided content, the flaw is triggered by execution of user-supplied JavaScript during array deserialization, resulting in memory corruption in V8. A remote attacker can deliver the trigger through a crafted HTML page and achieve arbitrary code execution within the Chrome renderer sandbox.
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Impact, mitigation & remediation
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
Impact
What an attacker gets, and what they’ve been doing with it.
Mitigation
If you can’t patch tonight, do this now.
Remediation
Patch, then assume compromise.
Exploits
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Affected products & vendors
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.
Recent activity
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Google Chrome vulnerability used by POISON CARP in the Android MOONSHINE exploit kit against vulnerable Chrome versions.
A Google Chrome vulnerability demonstrated in competition and later used operationally by MOONSHINE for Android exploitation.
The version that knows your environment.
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.