Buffer overflow in Google Android
CVE-2026-9123
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)
Vulnerability class: Buffer Overflow
EPSS: 0.000 (0.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Google Android
- Google Chrome — versions 148.0.7778.179
- Google Chrome_os
- Linux Linux_kernel
Weakness classification (CWE)
References
- chrome-cve-admin@google.com (Vendor Advisory)
- chrome-cve-admin@google.com (Permissions Required)
Frequently asked questions
- What is CVE-2026-9123?
- CVE-2026-9123 is a high-severity vulnerability in Google Android, classified under Heap-based Buffer Overflow. CVSS score: 7.5/10. Published 2026-05-20.
- How severe is CVE-2026-9123?
- High severity. CVSS v3 base score is 7.5 out of 10.