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)
Published: 2026-05-20
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-6287-1 chromium security update
History

Fri, 29 May 2026 00:15:00 +0000

Type Values Removed Values Added
Title Local Heap Buffer Overflow in Chromecast Allows Code Execution chromium-browser: Heap buffer overflow in Chromecast
Weaknesses CWE-120
References
Metrics threat_severity

None

threat_severity

Moderate


Thu, 21 May 2026 16:45:00 +0000

Type Values Removed Values Added
First Time appeared Google android
Google chrome Os
Linux
Linux linux Kernel
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:google:android:-:*:*:*:*:*:*:*
cpe:2.3:o:google:chrome_os:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
Vendors & Products Google android
Google chrome Os
Linux
Linux linux Kernel

Wed, 20 May 2026 22:00:00 +0000

Type Values Removed Values Added
Title Local Heap Buffer Overflow in Chromecast Allows Code Execution

Wed, 20 May 2026 21:00:00 +0000

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome

Wed, 20 May 2026 20:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 20 May 2026 19:30:00 +0000

Type Values Removed Values Added
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)
Weaknesses CWE-122
References

Subscriptions

Google Android Chrome Chrome Os
Linux Linux Kernel
cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-05-21T03:55:52.038Z

Reserved: 2026-05-20T17:39:25.277Z

Link: CVE-2026-9123

cve-icon Vulnrichment

Updated: 2026-05-20T19:32:17.920Z

cve-icon NVD

Status : Analyzed

Published: 2026-05-20T20:16:45.170

Modified: 2026-06-17T11:04:52.547

Link: CVE-2026-9123

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-05-19T00:00:00Z

Links: CVE-2026-9123 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-05-29T04:45:36Z

Weaknesses