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        "cveId": "CVE-2021-3966",
        "assignerOrgId": "e2e69745-5e70-4e92-8431-deb5529a81ad",
        "assignerShortName": "zephyr",
        "dateUpdated": "2025-04-09T18:29:11.461Z",
        "dateReserved": "2021-11-16T00:00:00.000Z",
        "datePublished": "2023-01-11T00:00:00.000Z"
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            "title": "Usb bluetooth device ACL read cb buffer overflow",
            "datePublic": "2022-02-16T00:00:00.000Z",
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                    "lang": "en",
                    "value": "usb device bluetooth class includes a buffer overflow related to implementation of net_buf_add_mem."
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            "affected": [
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                    "vendor": "zephyrproject-rtos",
                    "product": "zephyr",
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                            "version": "unspecified",
                            "lessThanOrEqual": "v3.0",
                            "status": "affected",
                            "versionType": "custom"
                        }
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            ],
            "references": [
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                    "url": "https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-hfxq-3w6x-fv2m"
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                        "attackVector": "ADJACENT_NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "CHANGED",
                        "confidentialityImpact": "LOW",
                        "integrityImpact": "HIGH",
                        "availabilityImpact": "HIGH",
                        "baseScore": 9.6,
                        "baseSeverity": "CRITICAL"
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                            "type": "CWE",
                            "lang": "en",
                            "description": "Heap-based Buffer Overflow (CWE-122)",
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            "source": {
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                },
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                        "url": "https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-hfxq-3w6x-fv2m",
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                                "timestamp": "2025-04-09T14:00:22.435063Z",
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