Buffer overflow in Google Chromium - CVE-2026-113209
Published: October 21, 2026
Vulnerability identifier: #VU156409
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-113209
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to corrupt browser memory, potentially causing a denial of service or arbitrary code execution.
The vulnerability exists due to improper memory handling in the Navigation component of Google Chrome when processing navigation-related input. A remote attacker can trick a user into interacting with specially crafted content to trigger memory corruption that may crash the browser or permit arbitrary code execution.
Affected software
Google Chromium
Google Chrome
Debian Linux
chromium (Debian package)
Google Chrome
Debian Linux
chromium (Debian package)
How to mitigate CVE-2026-113209
Install security update from vendor's website.
Google Chromium - update to 156.0.8078.47
Google Chrome - update to 156.0.8078.47
chromium (Debian package) - update to 156.0.8078.47-1~deb13u1
Google Chrome - update to 156.0.8078.47
chromium (Debian package) - update to 156.0.8078.47-1~deb13u1