Out-of-bounds write in Google Chromium - CVE-2026-19173

 

Out-of-bounds write in Google Chromium - CVE-2026-19173

Published: August 7, 2026


Vulnerability identifier: #VU141225
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-2026-19173
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted HTML content in Skia. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger out-of-bounds write and execute arbitrary code on the target system.


Affected software

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

How to mitigate CVE-2026-19173

Install update from vendor's website.

Google Chromium - update to 151.0.7922.108
Microsoft Edge - update to 151.0.4129.78
Google Chrome - update to 151.0.7922.108
webkitgtk - addressed in versions 2.54.2-3.el10_3, 2.54.2-3.el10_4
chromium - addressed in versions 151.0.7922.108-1.el9, 151.0.7922.108-1.el10_2, 151.0.7922.108-1.el10_3, 151.0.7922.108-1.fc43, 151.0.7922.108-1.fc44
Chrome OS - update to 150.0.7871.256
chromium (Debian package) - update to 151.0.7922.108-1~deb13u1

External References

Related Security Bulletins