CVE-2026-6924

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Source

https://cve.org/CVERecord?id=CVE-2026-6924

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-6924.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-6924

Published

2026-07-23T21:05:22Z

Modified

2026-10-08T02:51:38Z

Severity

8.7 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N CVSS Calculator

Summary

Weak entropy initialization in Silicon Labs Matter SiWx917 TinyCrypt path

Details

A bug in the entropy initialization for SiWx917 causes the DRBG to use a predictable seed. As such, all random numbers generated in the Matter code use the same stream of numbers. This vulnerability was discovered after the impacted repository was already deprecated.

Database specific

{
    "cna_assigner": "Silabs",
    "cwe_ids": [
        "CWE-336"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/6xxx/CVE-2026-6924.json"
}

References

Affected packages

Git / github.com/siliconlabs/simplicity_sdk

Affected ranges

Type

GIT

Repo

https://github.com/siliconlabs/simplicity_sdk

Events

Introduced

Last Affected

Database specific

Show details

{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "0"
        }
    ],
    "source": "AFFECTED_FIELD"
}

Affected versions

Other

v2024.*

v2024.6.0

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-6924.json"