CVE-2024-0224Public exploitNetwork attack vector

Heap corruption via unlocked WebAudio automationRate updates

Published Jan 4, 2024 · Updated Jun 18, 2025

Use-after-free in WebAudio in Google Chrome before 120.0.6099.199 allows remote attackers to corrupt heap memory via crafted HTML. DelayHandler processes an audio array while concurrent automationRate updates create and release it without mutex protection. A user must load the page; the published trigger reaches the freed array from Chrome's audio thread and demonstrates a browser crash.

CVSS severity8.8
High
EPSS probability1.01%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Use-after-free in WebAudio in Google Chrome before 120.0.6099.199 allows remote attackers to corrupt heap memory via crafted HTML. DelayHandler processes an audio array while concurrent automationRate updates create and release it without mutex protection. A user must load the page; the published trigger reaches the freed array from Chrome's audio thread and demonstrates a browser crash.

The record

CVE
CVE-2024-0224
Published
Jan 4, 2024
Updated
Jun 18, 2025
Vendor
Google Cloud
Product
Google Chrome
Classifications
CWE-416, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 4, 2024CVE publishedPublication date reported by the CVE source.
  2. Jun 18, 2025Record 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=120.0.6099.199 <120.0.6099.199

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Google Cloud · Google Chromeversion=120.0.6099.199 <120.0.6099.199

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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-416Use After Free
T1203Exploitation for Client Execution

Public exploit references

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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