Input validation error in Google Chromium - CVE-2026-3545

Vulnerability identifier: #VU123594

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-2026-3545

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

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

The vulnerability exists due to improper input validation when processing HTML content in Navigation. A remote attacker can trick the victim to open a specially crafted web page and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Google Chromium
Microsoft Edge
Google Chrome
Prisma Access Browser
Debian Linux
Gentoo Linux
Fedora
Chrome OS
www-client/vivaldi
www-client/opera
cef
www-client/microsoft-edge
www-client/google-chrome
www-client/chromium
chromium
chromium (Debian package)

Install update from vendor's website.

Google Chromium - update to 145.0.7632.159
Microsoft Edge - addressed in versions 144.0.3719.162, 145.0.3800.97
Google Chrome - update to 145.0.7632.159
www-client/vivaldi - update to 7.8.3925.76
www-client/opera - update to 130.0.5846.0
Chrome OS - update to 138.0.7204.306
cef - addressed in versions 145.0.28^chromium145.0.7632.159-1.fc42, 145.0.28^chromium145.0.7632.159-1.fc43, 145.0.28^chromium145.0.7632.159-1.fc44
www-client/microsoft-edge - update to 145.0.3800.97
www-client/google-chrome - update to 145.0.7632.159
www-client/chromium - update to 145.0.7632.159
chromium - addressed in versions 145.0.7632.159-1.el9, 145.0.7632.159-1.el10_1, 145.0.7632.159-1.el10_2, 145.0.7632.159-1.el10_3, 145.0.7632.159-1.fc42, 145.0.7632.159-1.fc43, 145.0.7632.159-1.fc44
chromium (Debian package) - addressed in versions 145.0.7632.159-1~deb12u1, 145.0.7632.159-1~deb13u1
Prisma Access Browser - update to 146.3.8.76

• https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop.html
• https://crbug.com/487383169

• Multiple vulnerabilities in Google Chrome
• Debian update for chromium
• Fedora 44 update for cef
• Fedora 43 update for cef
• Fedora 42 update for cef
• Fedora EPEL 9 update for chromium
• Fedora EPEL 10.2 update for chromium
• Fedora 42 update for chromium
• Fedora EPEL 10.1 update for chromium
• Fedora 43 update for chromium
• Fedora 44 update for chromium
• Fedora EPEL 10.3 update for chromium
• Multiple vulnerabilities in Microsoft Edge
• Multiple vulnerabilities in Google ChromeOS LTS
• Multiple vulnerabilities in Prisma Access Browser
• Gentoo update for Chromium, Google Chrome, Microsoft Edge, Opera, Vivaldi