Integer overflow in Google Chromium - CVE-2026-2649

Vulnerability identifier: #VU123061

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-2026-2649

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 V8 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
Prisma Access Browser
Debian Linux
Gentoo Linux
Fedora
Chrome OS
www-client/vivaldi
www-client/opera
cef
www-client/microsoft-edge
chromium
chromium (Debian package)
www-client/chromium
www-client/google-chrome

Install update from vendor's website.

Google Chromium - update to 144.0.7559.109
Microsoft Edge - update to 145.0.3800.70
Google Chrome - update to 145.0.7632.109
www-client/vivaldi - update to 7.8.3925.76
www-client/opera - update to 130.0.5846.0
Chrome OS - addressed in versions 138.0.7204.305, 145.0.7632.154
cef - addressed in versions 145.0.28^chromium145.0.7632.159-1.fc42, 145.0.28^chromium145.0.7632.159-1.fc43, 145.0.28^chromium145.0.7632.159-1.fc44
www-client/microsoft-edge - update to 145.0.3800.97
chromium - addressed in versions 145.0.7632.109-1.el9, 145.0.7632.109-1.el10_1, 145.0.7632.109-1.fc42, 145.0.7632.109-1.fc43, 145.0.7632.109-1.fc44
chromium (Debian package) - addressed in versions 145.0.7632.109-1~deb12u3, 145.0.7632.109-1~deb13u3
www-client/chromium - update to 145.0.7632.159
www-client/google-chrome - update to 145.0.7632.159
Prisma Access Browser - update to 146.3.8.76

• https://chromereleases.googleblog.com/2026/02/stable-channel-update-for-desktop_18.html
• https://crbug.com/481074858

• Multiple vulnerabilities in Google Chrome
• Debian update for chromium
• Multiple vulnerabilities in Microsoft Edge
• Fedora 44 update for chromium
• Fedora EPEL 10.1 update for chromium
• Fedora EPEL 9 update for chromium
• Fedora 42 update for chromium
• Fedora 43 update for chromium
• Multiple vulnerabilities in Google ChromeOS
• Multiple vulnerabilities in Google ChromeOS LTS
• Fedora 44 update for cef
• Fedora 43 update for cef
• Fedora 42 update for cef
• Multiple vulnerabilities in Prisma Access Browser
• Gentoo update for Chromium, Google Chrome, Microsoft Edge, Opera, Vivaldi