{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-76886",
        "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
        "state": "PUBLISHED",
        "assignerShortName": "GitLab",
        "dateReserved": "2026-08-19T22:34:34.934Z",
        "datePublished": "2026-08-19T22:35:24.922Z",
        "dateUpdated": "2026-08-20T15:01:54.161Z"
    },
    "containers": {
        "cna": {
            "title": "Heap-based Buffer Overflow in Wireshark",
            "descriptions": [
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                    "lang": "en",
                    "value": "C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service"
                }
            ],
            "affected": [
                {
                    "vendor": "Wireshark Foundation",
                    "product": "Wireshark",
                    "versions": [
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                            "version": "4.6.0",
                            "status": "affected",
                            "lessThan": "4.6.8",
                            "versionType": "semver"
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                    "defaultStatus": "unaffected"
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                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "CWE-122: Heap-based Buffer Overflow",
                            "cweId": "CWE-122",
                            "type": "CWE"
                        }
                    ]
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            ],
            "references": [
                {
                    "url": "https://www.wireshark.org/security/wnpa-sec-2026-75.html"
                },
                {
                    "url": "https://gitlab.com/wireshark/wireshark/-/work_items/21439"
                }
            ],
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                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
                        "attackVector": "NETWORK",
                        "attackComplexity": "HIGH",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "availabilityImpact": "HIGH",
                        "baseScore": 8.1,
                        "baseSeverity": "HIGH"
                    }
                }
            ],
            "solutions": [
                {
                    "lang": "en",
                    "value": "Upgrade to version 4.6.8 or above"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Aisle Research (Dmitrijs Trizna, Luigino Camastra, Ze Sheng (O2Lab & TAMU), Igor Morgenstern)",
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            ],
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            {
                "references": [
                    {
                        "url": "https://gitlab.com/wireshark/wireshark/-/work_items/21446",
                        "tags": [
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                ],
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-08-20T15:01:29.786117Z",
                                "id": "CVE-2026-76886",
                                "options": [
                                    {
                                        "Exploitation": "poc"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "total"
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                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
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                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
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