Integer overflow in Google Chromium - CVE-2026-11678

Vulnerability identifier: #VU133962

CSH Severity: High

CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-11678

CWE-ID: CWE-190

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow in libyuv component in Google Chrome. A remote attacker can trick the victim to open a specially crafted web page, trigger an integer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Google Chromium
Microsoft Edge
Google Chrome
Debian Linux
Fedora
chromium
chromium (Debian package)

Install update from vendor's website.

Google Chromium - update to 149.0.7827.102
Microsoft Edge - update to 149.0.4022.62
Google Chrome - update to 149.0.7827.102
chromium - addressed in versions 149.0.7827.102-1.el9, 149.0.7827.102-1.el10_2, 149.0.7827.102-1.el10_3, 149.0.7827.102-1.fc43, 149.0.7827.102-1.fc44
chromium (Debian package) - addressed in versions 149.0.7827.102-1~deb12u1, 149.0.7827.102-1~deb13u1

• https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0153744567.html
• https://crbug.com/516986556

• Multiple vulnerabilities in Google Chrome
• Debian update for chromium
• Fedora EPEL 10.3 update for chromium
• Fedora EPEL 10.2 update for chromium
• Fedora EPEL 9 update for chromium
• Fedora 43 update for chromium
• Fedora 44 update for chromium
• Multiple vulnerabilities in Microsoft Edge