Buffer overflow in Google Chromium - CVE-2026-113291
Published: October 21, 2026
Vulnerability identifier: #VU156570
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-113291
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to potentially cause a denial of service.
The vulnerability exists due to memory corruption in the FullScreen component of Google Chrome when handling fullscreen functionality. A remote attacker can induce a user to interact with specially crafted web content to potentially trigger memory corruption and crash the browser.
Affected software
Google Chromium
Google Chrome
Debian Linux
chromium (Debian package)
Google Chrome
Debian Linux
chromium (Debian package)
How to mitigate CVE-2026-113291
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