CVE-2024-8904Network attack vector

Heap corruption via invalid V8 deoptimization assumptions

Published Sep 17, 2024 · Updated Sep 18, 2024

Type confusion in V8 in Google Chrome before 129.0.6668.58 allows remote attackers to trigger heap corruption via crafted HTML. JSPI stack switching breaks V8's lazy-deoptimization guarantees, causing compiled code to retain incompatible type assumptions. User interaction is required to load the page; public sources do not establish whether successful corruption yields code execution or only a crash.

CVSS severity8.8
High
EPSS probability0.51%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Type confusion in V8 in Google Chrome before 129.0.6668.58 allows remote attackers to trigger heap corruption via crafted HTML. JSPI stack switching breaks V8's lazy-deoptimization guarantees, causing compiled code to retain incompatible type assumptions. User interaction is required to load the page; public sources do not establish whether successful corruption yields code execution or only a crash.

The record

CVE
CVE-2024-8904
Published
Sep 17, 2024
Updated
Sep 18, 2024
Vendor
Google Cloud
Product
Google Chrome
Classifications
CWE-843, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 17, 2024CVE publishedPublication date reported by the CVE source.
  2. Sep 18, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <129.0.6668.58
  2. Affected versionversion=129.0.6668.58 <129.0.6668.58

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Google Cloud · Google Chromeversion=0 <129.0.6668.58; version=129.0.6668.58 <129.0.6668.58

Published CVSS scores

8.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-843Access of Resource Using Incompatible Type ('Type Confusion')
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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