Integer overflow in Google Chromium - CVE-2026-4679

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Main Vulnerability Database Vulnerabilities #VU124267

Integer overflow in Google Chromium - CVE-2026-4679

Published: March 24, 2026 / Updated: April 1, 2026


Vulnerability identifier: #VU124267
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-2026-4679
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to integer overflow in Fonts 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.


Affected software

Google Chromium
Google Chrome
Prisma Access Browser
Debian Linux
Fedora
Chrome OS
cef
chromium
chromium (Debian package)

How to mitigate CVE-2026-4679

Install update from vendor's website.

Google Chromium - update to 146.0.7680.164
Google Chrome - update to 146.0.7680.164
Chrome OS - update to 138.0.7204.310
cef - addressed in versions 146.0.9^chromium146.0.7680.164-1.fc42, 146.0.9^chromium146.0.7680.164-1.fc43, 146.0.9^chromium146.0.7680.164-1.fc44
chromium - addressed in versions 146.0.7680.164-1.el9, 146.0.7680.164-1.el10_1, 146.0.7680.164-1.el10_2, 146.0.7680.164-1.el10_3, 146.0.7680.164-1.fc42, 146.0.7680.164-1.fc43, 146.0.7680.164-1.fc44
chromium (Debian package) - addressed in versions 146.0.7680.164-1~deb12u1, 146.0.7680.164-1~deb13u1
Prisma Access Browser - update to 146.3.8.76

External References

Related Security Bulletins