{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-15171", "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "state": "PUBLISHED", "assignerShortName": "GitLab", "dateReserved": "2026-07-08T20:45:53.857Z", "datePublished": "2026-07-08T20:51:10.283Z", "dateUpdated": "2026-07-08T20:51:10.283Z"}, "containers": {"cna": {"title": "NULL Pointer Dereference in Wireshark", "descriptions": [{"lang": "en", "value": "SSH protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service"}], "affected": [{"vendor": "Wireshark Foundation", "product": "Wireshark", "versions": [{"version": "4.6.0", "status": "affected", "lessThan": "4.6.7", "versionType": "semver"}, {"version": "4.4.0", "status": "affected", "lessThan": "4.4.17", "versionType": "semver"}], "defaultStatus": "unaffected"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-476: NULL Pointer Dereference", "cweId": "CWE-476", "type": "CWE"}]}], "references": [{"url": "https://www.wireshark.org/security/wnpa-sec-2026-55.html"}, {"url": "https://gitlab.com/wireshark/wireshark/-/work_items/21378"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM"}}], "solutions": [{"lang": "en", "value": "Upgrade to version 4.6.7 or above"}], "credits": [{"lang": "en", "value": "Dmitrijs Trizna", "type": "finder"}], "providerMetadata": {"orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "shortName": "GitLab", "dateUpdated": "2026-07-08T20:51:10.283Z"}}}}

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