Integer overflow in Google Chromium - CVE-2026-8577

Vulnerability identifier: #VU131533

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-2026-8577

CWE-ID: CWE-190

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to crash the browser.

The vulnerability exists due to a integer overflow in Fonts in Google Chrome. A remote attacker can trick the victim to visit a specially crafted webpage and crash the browser.

Google Chromium
Microsoft Edge
Google Chrome
Debian Linux
Fedora
chromium
chromium (Debian package)

Install update from vendor's website.

Google Chromium - update to 148.0.7778.167
Microsoft Edge - update to 148.0.3967.70
Google Chrome - update to 148.0.7778.167
chromium - addressed in versions 148.0.7778.167-1.el9, 148.0.7778.167-1.el10_1, 148.0.7778.167-1.el10_2, 148.0.7778.167-1.el10_3, 148.0.7778.167-1.fc42, 148.0.7778.167-1.fc43, 148.0.7778.167-1.fc44, 148.0.7778.178-1.fc42, 148.0.7778.178-1.fc43
chromium (Debian package) - addressed in versions 148.0.7778.167-1~deb12u1, 148.0.7778.167-1~deb13u1

• https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html
• https://crbug.com/496302307

• Multiple vulnerabilities in Google Chrome
• Debian update for chromium
• Fedora 42 update for chromium
• Fedora 43 update for chromium
• Fedora 44 update for chromium
• Fedora EPEL 10.2 update for chromium
• Fedora EPEL 10.3 update for chromium
• Fedora EPEL 10.1 update for chromium
• Fedora EPEL 9 update for chromium
• Multiple vulnerabilities in Microsoft Edge
• Fedora 42 update for chromium
• Fedora 43 update for chromium