Heap-based buffer overflow in Google Chromium - CVE-2026-7900

 

Heap-based buffer overflow in Google Chromium - CVE-2026-7900

Published: May 7, 2026


Vulnerability identifier: #VU130293
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-2026-7900
CWE-ID: CWE-122
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 ANGLE. 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.


Affected software

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

How to mitigate CVE-2026-7900

Install update from vendor's website.

Google Chromium - update to 148.0.7778.96
Microsoft Edge - update to 148.0.3967.54
Google Chrome - update to 148.0.7778.96
webkitgtk - addressed in versions 2.54.2-3.el10_3, 2.54.2-3.el10_4
chromium - addressed in versions 148.0.7778.96-1.el9, 148.0.7778.96-1.el10_1, 148.0.7778.96-1.el10_2, 148.0.7778.96-1.el10_3, 148.0.7778.96-1.fc42, 148.0.7778.96-1.fc43, 148.0.7778.96-1.fc44, 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 148.0.7778.96-1~deb12u1, 148.0.7778.96-1~deb13u1

External References

Related Security Bulletins