CVE-2026-4453
Received
Received - Intake
Integer Overflow in Chrome Dawn on Mac Allows Data Leak
Publication date: 2026-03-20
Last updated on: 2026-03-20
Assigner: Chrome
Description
Description
Integer overflow in Dawn in Google Chrome on Mac prior to 146.0.7680.153 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| chrome | to 146.0.7680.153 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| 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. |
| CWE-472 | The web application does not sufficiently verify inputs that are assumed to be immutable but are actually externally controllable, such as hidden form fields. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is an integer overflow in the Dawn component of Google Chrome on Mac systems prior to version 146.0.7680.153. It allows a remote attacker to leak cross-origin data by using a specially crafted HTML page.
How can this vulnerability impact me? :
The vulnerability can lead to unauthorized disclosure of data from different origins, meaning an attacker could access sensitive information from websites you visit by exploiting this flaw in Chrome.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know
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