{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-91255",
        "assignerOrgId": "43595867-4340-4103-b7a2-9a5208d29a85",
        "state": "PUBLISHED",
        "assignerShortName": "oracle",
        "dateReserved": "2026-09-14T22:10:16.618Z",
        "datePublished": "2026-10-20T21:24:55.349Z",
        "dateUpdated": "2026-10-22T18:50:21.685Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "43595867-4340-4103-b7a2-9a5208d29a85",
                "shortName": "oracle",
                "dateUpdated": "2026-10-20T21:24:55.349Z"
            },
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en-US",
                            "description": "Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Solaris.  Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Solaris."
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "Oracle Corporation",
                    "product": "Oracle Solaris",
                    "versions": [
                        {
                            "version": "11.4",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:a:oracle:solaris:11.4:*:*:*:*:*:*:*"
                                }
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                        }
                    ]
                }
            ],
            "descriptions": [
                {
                    "lang": "en-US",
                    "value": "Vulnerability in the Oracle Solaris product of Oracle Systems (component: Kernel).   The supported version that is affected is 11.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Solaris.  Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Solaris. CVSS 3.1 Base Score 7.5 (Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)."
                }
            ],
            "references": [
                {
                    "url": "https://www.oracle.com/security-alerts/cpuoct2026.html",
                    "name": "Oracle Advisory",
                    "tags": [
                        "vendor-advisory"
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "NONE",
                        "availabilityImpact": "HIGH",
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                        "baseScore": 7.5,
                        "baseSeverity": "HIGH"
                    }
                }
            ]
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2026-91255",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2026-10-22T18:41:37.178842Z"
                            }
                        }
                    }
                ],
                "problemTypes": [
                    {
                        "descriptions": [
                            {
                                "lang": "en",
                                "type": "CWE",
                                "cweId": "CWE-400",
                                "description": "CWE-400 Uncontrolled Resource Consumption"
                            }
                        ]
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-10-22T18:50:21.685Z"
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}