CVE-2026-9123
Analyzed Analyzed - Analysis Complete
Heap Buffer Overflow in Chromecast via Google Chrome

Publication date: 2026-05-20

Last updated on: 2026-06-05

Assigner: Chrome

Description
Heap buffer overflow in Chromecast in Google Chrome on Android, Linux, ChromeOS prior to 148.0.7778.179 allowed a local attacker to execute arbitrary code inside a sandbox via malicious network traffic. (Chromium security severity: Medium)
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Meta Information
Published
2026-05-20
Last Modified
2026-06-05
Generated
2026-06-10
AI Q&A
2026-05-20
EPSS Evaluated
2026-06-08
NVD
CVE-2026-9123
EUVD
EUVD-2026-31170
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
google chrome to 148.0.7778.179 (exc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-122 A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
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Executive Summary

This vulnerability is a heap buffer overflow found in Chromecast functionality within Google Chrome on Android, Linux, and ChromeOS versions prior to 148.0.7778.179. It allows a local attacker to execute arbitrary code inside a sandbox by sending malicious network traffic.

Impact Analysis

The vulnerability can lead to an attacker executing arbitrary code with high impact on confidentiality, integrity, and availability. This means an attacker could potentially take control of the affected system or application within the sandbox environment, leading to data compromise or disruption of services.

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