Free of Memory not on the Heap in Google Chromium - CVE-2026-95311

Vulnerability identifier: #VU151768

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-95311

CWE-ID: CWE-590

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to freeing memory that is not allocated on the heap in Fonts when rendering crafted font data. A remote attacker can trick a victim into viewing crafted web content to cause a denial of service.

User interaction is required.

Google Chromium
Google Chrome
Debian Linux
Fedora
Chrome OS
chromium
chromium (Debian package)

Install security update from vendor's website.

Google Chromium - update to 154.0.8037.57
Google Chrome - update to 154.0.8037.57
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
Chrome OS - update to 154.0.8037.151
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/553123003

• 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
• Multiple vulnerabilities in Google ChromeOS