Heap-based buffer overflow in Google Chromium - CVE-2026-4443

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Main Vulnerability Database Vulnerabilities #VU124234

Heap-based buffer overflow in Google Chromium - CVE-2026-4443

Published: March 23, 2026


Vulnerability identifier: #VU124234
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-2026-4443
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 WebAudio. 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
Fedora
cef
chromium
chromium (Debian package)

How to mitigate CVE-2026-4443

Install update from vendor's website.

Google Chromium - update to 146.0.7680.153
Microsoft Edge - update to 146.0.3856.72
Google Chrome - update to 146.0.7680.153
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 146.0.7680.153-1.el9, 146.0.7680.153-1.el10_1, 146.0.7680.153-1.el10_2, 146.0.7680.153-1.el10_3, 146.0.7680.153-1.fc42, 146.0.7680.153-1.fc43, 146.0.7680.153-1.fc44, 146.0.7680.164-1.el9, 146.0.7680.164-1.el10_1, 146.0.7680.164-1.fc42
chromium (Debian package) - addressed in versions 146.0.7680.153-1~deb12u1, 146.0.7680.153-1~deb13u1

External References

Related Security Bulletins