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TI-2025-01349 Aliases CVE-2025-1566GHSA-gm22-hqvw-7j52

DNS Leak in Native System VPN in Google ChromeOS Dev Channel on ChromeOS 16002.23.0…

Priority HIGH 72CWE-1319Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

DNS Leak in Native System VPN in Google ChromeOS Dev Channel on ChromeOS 16002.23.0 allows network observers to expose plaintext DNS queries via failure to properly tunnel DNS traffic during VPN state transitions.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00197 9th percentileScored 2026-11-07
Fix Fixed ChromeOS (Google): 16002.23.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
GoogleChromeOS16002.23.0 to before 16002.23.016002.23.0Patch availableCNA
  • ChromeOS VendorGoogle Affected 16002.23.0 to before 16002.23.0 Fixed in 16002.23.0 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:google:chrome_os:16002.23.0:*:*:*:*:*:*:*16002.23.0VulnerableGoogle
  • cpe:2.3:o:google:chrome_os:16002.23.0:*:*:*:*:*:*:* Versions 16002.23.0 Vulnerable ·Google

Remediation

  • Fix · CNA ChromeOS (Google) Fixed in 16002.23.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-1566
  2. 2026-10-03 Alias added: GHSA-gm22-hqvw-7j52

References

Other 2

  • TI-2025-05587 ChromeOS MiniOS Root Code Execution Bypass While Dev Mode Blocked CVSS 3.1HIGH 7.4
  • TI-2025-00952 Improper privilege management in Google ChromeOS CVSS 3.1MEDIUM 6.8
  • TI-2014-02551 Google Chrome before 38.0.2125.101 and Chrome OS before 38.0.2125.101 do not properly… CVSS 2.0HIGH 10.0
  • TI-2012-02479 Mesa, as used in Google Chrome before 21.0.1183.0 on the Acer AC700, Cr-48, and Samsung… CVSS 2.0HIGH 10.0
  • TI-2011-00412 Google Chrome before 8.0.552.237 and Chrome OS before 8.0.552.344 do not properly handle… CVSS 2.0HIGH 10.0
  • TI-2025-05588 ChromeOS Extension Disablement and Developer Mode Bypass via ExtHang3r and ExtPrint3r Exploits CVSS 3.1CRITICAL 9.8
See all 66 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences