CVE-2025-13476

See a problem?
Please try reporting it to the source first.

Source

https://cve.org/CVERecord?id=CVE-2025-13476

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-13476.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2025-13476

Published

2026-03-05T19:15:58.283Z

Modified

2026-03-14T01:51:35.502559Z

Severity

9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator

Summary

[none]

Details

Rakuten Viber Cloak mode in Android v25.7.2.0g and Windows v25.6.0.0–v25.8.1.0 uses a static and predictable TLS ClientHello fingerprint lacking extension diversity, allowing Deep Packet Inspection (DPI) systems to trivially identify and block proxy traffic, undermining censorship circumvention. (CWE-327)

References

Affected packages

Git /

Affected ranges

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-13476.json"

unresolved_ranges

[
    {
        "events": [
            {
                "introduced": "25.6.0"
            },
            {
                "last_affected": "25.8.1.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "9.3.0.6-25\\.7\\.2\\.0g"
            }
        ]
    }
]