CVE-2025-6558

Description

Insufficient validation of untrusted input in ANGLE and GPU in Google Chrome prior to 138.0.7204.157 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

CVSS v3.1 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA Known Exploited Vulnerability

This vulnerability is actively exploited in the wild.

Added: Jul 22, 2025 Remediation due: Aug 12, 2025

Weakness Type (CWE)

CWE-20 Improper Input Validation

Affected Products

Vendor	Product	Versions
google	chrome	< 138.0.7204.157
debian	debian_linux	All
apple	safari	< 18.6
apple	ipados	< 18.6
apple	iphone_os	< 18.6
apple	macos	< 15.6
apple	visionos	< 2.6
apple	watchos	< 11.6
wpewebkit	wpe_webkit	< 2.48.0
webkitgtk	webkitgtk	< 2.48.0

References

Other References

https://chromereleases.googleblog.com/2025/07/stable-channel-update-for-desktop_15.html https://issues.chromium.org/issues/427162086 http://seclists.org/fulldisclosure/2025/Aug/0 http://seclists.org/fulldisclosure/2025/Jul/30 http://seclists.org/fulldisclosure/2025/Jul/32 http://seclists.org/fulldisclosure/2025/Jul/35 http://seclists.org/fulldisclosure/2025/Jul/37 http://www.openwall.com/lists/oss-security/2025/08/02/1 https://lists.debian.org/debian-lts-announce/2025/08/msg00015.html https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-6558

Frequently Asked Questions

What is CVE-2025-6558? +

Insufficient validation of untrusted input in ANGLE and GPU in Google Chrome prior to 138.0.7204.157 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High) It has a CVSS v3.1 base score of 8.8 (HIGH). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.

How severe is CVE-2025-6558? +

CVE-2025-6558 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-6558? +

CVE-2025-6558 affects products from apple, debian, google, webkitgtk, wpewebkit, specifically: chrome, debian_linux, ipados, iphone_os, macos, safari, visionos, watchos, webkitgtk, wpe_webkit. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-6558? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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