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
2026-10-28T02:31:07Z
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
0 Unknown introduced commit / All previous commits are affected
Last Affected
0
Database specific
Show details 
{
    "extracted_events":  [
        {
            "range":  [
                {
                    "introduced":  "0"
                },
                {
                    "last_affected":  "0"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandaloneSingleVersion"
        }
    ]
}

Affected versions

Other
0
v2024.*
v2024.6.0

Database specific

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