CVE-2025-6558
HighExploitedPublic exploitInsufficient 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.
Published Jul 15, 2025 · Updated Oct 1, 2026 · Also known as DEBIAN-CVE-2025-6558, DSA-5963-1, UBUNTU-CVE-2025-6558
Key Facts
Patch immediately- CVE-2025-6558 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Safari (Apple), Chrome (Google), Webkitgtk and 22 more products.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jul 15, 2025. Public exploit code is available.
- EPSS estimates a 11% probability of exploitation in the next 30 days.
- Fixed versions are available, including Ipados 18.6, Iphone OS 18.6, Macos 15.6.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
8.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
11%
Higher than 95.8% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2025-6558 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
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)
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Jul 22, 2025 | Aug 12, 2025 | Not reported |
| Industry KEV feed | Jul 15, 2025 | Aug 12, 2025 | Not reported |
| CIRCL KEV | Jul 22, 2025 | Aug 12, 2025 | Not reported |
| ENISA EUVD | Jul 22, 2025 | n/a | Not reported |
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Affected Products
450 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| SafariApple | See advisory | 18.6 |
| ChromeGoogle | >= 138.0.7204.157 | 138.0.7204.157 |
| WebkitgtkWebkitgtk | See advisory | 2.48.0 |
| Wpe WebkitWpewebkit | See advisory | 2.48.0 |
| IpadosApple | See advisory | 18.6 |
Patched Releases
Ipados
18.6
Iphone OS
18.6
Macos
15.6
Safari
18.6
Visionos
2.6
Watchos
11.6
Chrome
138.0.7204.157
chromedriver
138.0.7204.157-1.1
chromium
138.0.7204.157-1, 138.0.7204.157-1.1, 138.0.7204.157-1~deb12u1, 138.0.7204.157-r0
gir1.2-javascriptcoregtk-4.0
2.48.5-0ubuntu0.22.04.1
gir1.2-javascriptcoregtk-4.1
2.48.5-0ubuntu0.22.04.1, 2.48.5-0ubuntu0.24.04.1, 2.48.5-0ubuntu0.25.04.1
gir1.2-javascriptcoregtk-6.0
2.48.5-0ubuntu0.22.04.1, 2.48.5-0ubuntu0.24.04.1, 2.48.5-0ubuntu0.25.04.1
gir1.2-webkit-6.0
2.48.5-0ubuntu0.22.04.1, 2.48.5-0ubuntu0.24.04.1, 2.48.5-0ubuntu0.25.04.1
gir1.2-webkit2-4.0
2.48.5-0ubuntu0.22.04.1
gir1.2-webkit2-4.1
2.48.5-0ubuntu0.22.04.1, 2.48.5-0ubuntu0.24.04.1, 2.48.5-0ubuntu0.25.04.1
libjavascriptcoregtk-4_0-18
2.48.5-150200.150.1, 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1, 2.48.5-4.41.1
libjavascriptcoregtk-4_0-18-32bit
2.48.5-150600.12.43.1
libjavascriptcoregtk-4_1-0
2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
libjavascriptcoregtk-4_1-0-32bit
2.48.5-150600.12.43.1
libjavascriptcoregtk-4.0-18
2.48.5-0ubuntu0.22.04.1
libjavascriptcoregtk-4.0-bin
2.48.5-0ubuntu0.22.04.1, 2.48.5-0ubuntu0.24.04.1, 2.48.5-0ubuntu0.25.04.1
libjavascriptcoregtk-4.0-dev
2.48.5-0ubuntu0.22.04.1
libjavascriptcoregtk-4.1-0
2.48.5-0ubuntu0.22.04.1, 2.48.5-0ubuntu0.24.04.1, 2.48.5-0ubuntu0.25.04.1
libjavascriptcoregtk-4.1-dev
2.48.5-0ubuntu0.22.04.1, 2.48.5-0ubuntu0.24.04.1, 2.48.5-0ubuntu0.25.04.1
libjavascriptcoregtk-6_0-1
2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
Timeline
Publicly disclosed
Jul 15, 2025
Added to Industry KEV feed
Jul 15, 2025
Added to CISA KEV
Jul 22, 2025
Added to CIRCL KEV
Jul 22, 2025
Added to ENISA EUVD
Jul 22, 2025
Last updated
Oct 1, 2026
Weakness Type
- CWE-20 Improper Input Validation
- CWE-76 Improper Neutralization of Equivalent Special Elements
References
- advisoryRHSA-2025:13780
- advisoryRHSA-2025:13782
- advisoryRHSA-2025:14421
- advisoryRHSA-2025:14422
- advisoryRHSA-2025:14423
FAQ
Common Questions.
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.
Affected: Safari (Apple); Chrome (Google) versions >= 138.0.7204.157; Webkitgtk, among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jul 15, 2025.
Yes. It was added on Jul 22, 2025 with a federal remediation due date of Aug 12, 2025.
Public exploit code is available.
Fixed versions are available, including Ipados 18.6, Iphone OS 18.6, Macos 15.6.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Is CVE-2025-6558 Running On Your Attack Surface?
Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.
Request A Demo