Out-of-bounds write in Google Chromium - CVE-2026-113300
Published: October 21, 2026
Vulnerability identifier: #VU156566
CSH Severity: Low
CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-113300
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service attack.
The vulnerability exists due to a boundary error when processing untrusted HTML content in Forms. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger out-of-bounds write 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-2026-113300
Install 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