#VU112907 Input validation error in Google Chromium - CVE-2025-6558

Vulnerability identifier: #VU112907

Vulnerability risk: Critical

CVSSv4.0: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red]

CVE-ID: CVE-2025-6558

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Google Chromium
Client/Desktop applications / Web browsers

Vendor: Google

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to insufficient validation of user-supplied input in ANGLE and GPU. A remote attacker can trick the victim into opening a specially crafted web page and execute arbitrary code on the system.

Note, the vulnerability is being actively exploited in the wild.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Google Chromium: 138.0.7204.0 - 138.0.7204.156

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External links
https://chromereleases.googleblog.com/2025/07/stable-channel-update-for-desktop_15.html
https://crbug.com/427162086

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.