CVE-2025-5866

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Source

https://cve.org/CVERecord?id=CVE-2025-5866

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-5866.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2025-5866

Published

2025-06-09T07:00:16.712Z

Modified

2026-07-15T01:49:09.170836933Z

Severity

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

Summary

RT-Thread lwp_syscall.c sys_sigprocmask array index

Details

A vulnerability classified as critical has been found in RT-Thread 5.1.0. This affects the function syssigprocmask of the file rt-thread/components/lwp/lwpsyscall.c. The manipulation of the argument how leads to improper validation of array index.

Database specific

{
    "cwe_ids": [
        "CWE-119",
        "CWE-129"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/5xxx/CVE-2025-5866.json",
    "cna_assigner": "VulDB"
}

References

Affected packages

Git / github.com/rt-thread/rt-thread

Affected ranges

Type

GIT

Repo

https://github.com/rt-thread/rt-thread

Events

Introduced

4f7940167d172858e37373bc330c7093e8765d5b

Last affected

4f7940167d172858e37373bc330c7093e8765d5b

Database specific

{
    "source": "AFFECTED_FIELD",
    "extracted_events": [
        {
            "introduced": "5.1.0"
        },
        {
            "last_affected": "5.1.0"
        }
    ]
}

Affected versions

5.*

5.1.0

v5.*

v5.1.0

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-5866.json"