CVE-2026-106332
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Integer Overflow in Compositing in Google Chrome

Publication date: 2026-10-06

Last updated on: 2026-10-06

Assigner: Chrome

Description
Integer overflow in Compositing in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: High)

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Meta Information

Published
2026-10-06
Last Modified
2026-10-06
Generated
2026-10-06
AI Q&A
2026-10-06
EPSS Evaluated
N/A
NVD
CVE-2026-106332
EUVD
EUVD-2026-93821

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Google Chrome 155.0.8059.39

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-190 The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.

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Executive Summary

This vulnerability is an integer overflow in the Compositing component of Google Chrome versions before 155.0.8059.39. An integer overflow occurs when a calculation exceeds the maximum value that can be stored in a variable, leading to unexpected behavior. In this case, it allows a remote attacker to exploit this flaw by using a specially crafted HTML page to access cross-origin data, which should normally be restricted for security reasons.

Impact Analysis

If you are using an affected version of Google Chrome, this vulnerability could allow a malicious website to access sensitive data from other websites you have open in different tabs or windows. This could include personal information, login credentials, or other confidential data, potentially leading to identity theft or unauthorized access to accounts.

Compliance Impact

This vulnerability could lead to unauthorized data access, which may violate compliance requirements under GDPR (General Data Protection Regulation) and HIPAA (Health Insurance Portability and Accountability Act). GDPR requires protecting personal data, and HIPAA mandates safeguarding protected health information. A breach could result in legal penalties, fines, or reputational damage for organizations.

Mitigation Strategies

Update Google Chrome to version 155.0.8059.39 or later to address the integer overflow vulnerability in Compositing.

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