CVE-2023-3729Network attack vector

Heap corruption via Splitscreen use-after-free

Published Aug 1, 2023 · Updated Aug 2, 2024

Use-after-free in Ash Splitscreen in Google Chrome before 115.0.5790.131 on ChromeOS allows remote attackers to corrupt heap memory. Google identifies a freed-object lifetime error in Ash but keeps the underlying bug details restricted, leaving the precise invalid operation undisclosed. Exploitation requires a user to perform specific crafted UI interactions; public sources establish heap corruption but do not establish code execution.

CVSS severityUnavailable
Unscored
EPSS probability0.41%
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 Ash Splitscreen in Google Chrome before 115.0.5790.131 on ChromeOS allows remote attackers to corrupt heap memory. Google identifies a freed-object lifetime error in Ash but keeps the underlying bug details restricted, leaving the precise invalid operation undisclosed. Exploitation requires a user to perform specific crafted UI interactions; public sources establish heap corruption but do not establish code execution.

The record

CVE
CVE-2023-3729
Published
Aug 1, 2023
Updated
Aug 2, 2024
Vendor
Google Cloud
Product
Google Chrome
Classifications
CWE-416
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 1, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 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=115.0.5790.131 <115.0.5790.131

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Google Cloud · Google Chromeversion=115.0.5790.131 <115.0.5790.131

Published CVSS scores

No CVSS assessment is available in this record.

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.

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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 exploitUnconfirmed

Weakness, pattern, technique

CWE-416Use After Free

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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