Out-of-bounds write in Google Chromium - CVE-2026-95331

Vulnerability identifier: #VU151729

CSH Severity: Medium

CVSS v4: 7.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-95331

CWE-ID: CWE-787

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted HTML content in ANGLE. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger out-of-bounds write and execute arbitrary code on the target system.

Google Chromium
Google Chrome
Debian Linux
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_64
Fedora
webkit2gtk3 (Red Hat package)
chromium
chromium (Debian package)

Install update from vendor's website.

Google Chromium - update to 154.0.8037.57
Google Chrome - update to 154.0.8037.57
webkit2gtk3 (Red Hat package) - addressed in versions 2.54.2-0.el9_8.1, 2.54.2-1.el8_10
chromium - addressed in versions 154.0.8037.57-1.el9, 154.0.8037.57-1.el10_2, 154.0.8037.57-1.el10_3, 154.0.8037.57-1.el10_4, 154.0.8037.57-1.fc43, 154.0.8037.57-1.fc44, 154.0.8037.57-1.fc45
chromium (Debian package) - update to 154.0.8037.57-1~deb13u1

• https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0856730748.html
• https://issues.chromium.org/issues/500127519

• Multiple vulnerabilities in Google Chrome
• Fedora EPEL 10.3 update for chromium
• Fedora EPEL 9 update for chromium
• Fedora 45 update for chromium
• Fedora 44 update for chromium
• Fedora EPEL 10.4 update for chromium
• Fedora 43 update for chromium
• Debian update for chromium
• Fedora EPEL 10.2 update for chromium
• Red Hat Enterprise Linux 9 update for webkit2gtk3
• Red Hat Enterprise Linux 8 update for webkit2gtk3