Heap-based buffer overflow in Google Chromium - CVE-2026-15767

Vulnerability identifier: #VU137709

CSH Severity: High

CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-15767

CWE-ID: CWE-122

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 libyuv. 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.

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

Install update from vendor's website.

Google Chromium - update to 150.0.7871.124
Microsoft Edge - update to 150.0.4078.81
Google Chrome - update to 150.0.7871.124
chromium - addressed in versions 150.0.7871.124-1.el9, 150.0.7871.124-1.el10_2, 150.0.7871.124-1.el10_3, 150.0.7871.124-1.fc43, 150.0.7871.124-1.fc44
chromium (Debian package) - update to 150.0.7871.124-1~deb13u1
Prisma Access Browser - update to 150.49.8.187

• https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0353146366.html
• https://crbug.com/514748734

• Multiple vulnerabilities in Google Chrome
• Debian update for chromium
• Fedora 44 update for chromium
• Fedora EPEL 9 update for chromium
• Fedora EPEL 10.2 update for chromium
• Fedora 43 update for chromium
• Fedora EPEL 10.3 update for chromium
• Heap-based buffer overflow in Microsoft Edge
• Multiple vulnerabilities in Prisma Access Browser (August 2026)