Heap-based buffer overflow in Google Chromium - CVE-2026-17951

 

Heap-based buffer overflow in Google Chromium - CVE-2026-17951

Published: July 30, 2026


Vulnerability identifier: #VU140406
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-17951
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available
Affected software:
Google Chromium

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error when processing untrusted HTML content in WebRTC. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a heap-based buffer overflow and crash the browser.


How to mitigate CVE-2026-17951

Install update from vendor's website.

Sources