Heap-based buffer overflow in Google Chromium - CVE-2026-17680
Published: July 30, 2026
Vulnerability identifier: #VU140135
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-2026-17680
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in Color. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Affected software
Google Chromium
Microsoft Edge
Google Chrome
Debian Linux
Chrome OS
chromium (Debian package)
Microsoft Edge
Google Chrome
Debian Linux
Chrome OS
chromium (Debian package)
How to mitigate CVE-2026-17680
Install update from vendor's website.
Google Chromium - update to 151.0.7922.71
Microsoft Edge - update to 151.0.4129.59
Google Chrome - update to 151.0.7922.71
Chrome OS - update to 144.0.7559.259
chromium (Debian package) - update to 151.0.7922.71-1~deb13u1
Microsoft Edge - update to 151.0.4129.59
Google Chrome - update to 151.0.7922.71
Chrome OS - update to 144.0.7559.259
chromium (Debian package) - update to 151.0.7922.71-1~deb13u1