{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-96420", "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "state": "PUBLISHED", "assignerShortName": "GitLab", "dateReserved": "2026-09-23T05:41:45.659Z", "datePublished": "2026-09-29T09:30:43.018Z", "dateUpdated": "2026-09-29T09:30:43.018Z"}, "containers": {"cna": {"title": "Buffer Over-read in Wireshark", "descriptions": [{"lang": "en", "value": "Toshiba file parser crash in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service"}], "affected": [{"vendor": "Wireshark Foundation", "product": "Wireshark", "repo": "https://gitlab.com/wireshark/wireshark", "versions": [{"version": "4.6.0", "status": "affected", "lessThan": "4.6.9", "versionType": "semver"}, {"version": "4.4.0", "status": "affected", "lessThan": "4.4.19", "versionType": "semver"}], "defaultStatus": "unaffected"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-126: Buffer Over-read", "cweId": "CWE-126", "type": "CWE"}]}], "references": [{"url": "https://www.wireshark.org/security/wnpa-sec-2026-105.html"}, {"url": "https://gitlab.com/wireshark/wireshark/-/work_items/21541"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 4.7, "baseSeverity": "MEDIUM"}}], "solutions": [{"lang": "en", "value": "Upgrade to version 4.6.9 or above"}], "credits": [{"lang": "en", "value": "Aisle Research (Dmitrijs Trizna, Luigino Camastra, Ze Sheng (O2Lab & TAMU), Igor Morgenstern)", "type": "finder"}], "providerMetadata": {"orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "shortName": "GitLab", "dateUpdated": "2026-09-29T09:30:43.018Z"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Wireshark", "repo": "https://gitlab.com/wireshark/wireshark", "vendor": "Wireshark Foundation", "versions": [{"lessThan": "4.6.9", "status": "affected", "version": "4.6.0", "versionType": "semver"}, {"lessThan": "4.4.19", "status": "affected", "version": "4.4.0", "versionType": "semver"}]}], "source": "cve@gitlab.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Toshiba file parser crash in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service"}], "id": "CVE-2026-96420", "lastModified": "2026-09-29T10:17:16.790", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 4.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 3.6, "source": "cve@gitlab.com", "type": "Secondary"}]}, "published": "2026-09-29T10:17:16.790", "references": [{"source": "cve@gitlab.com", "url": "https://gitlab.com/wireshark/wireshark/-/work_items/21541"}, {"source": "cve@gitlab.com", "url": "https://www.wireshark.org/security/wnpa-sec-2026-105.html"}], "sourceIdentifier": "cve@gitlab.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-126"}], "source": "cve@gitlab.com", "type": "Primary"}]}

{"bugzilla": {"description": "wireshark: Buffer Over-read in Wireshark", "id": "2543040", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2543040"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-125", "details": ["A flaw was found in Wireshark. An attacker could exploit this vulnerability by enticing a user to open a specially crafted Toshiba capture file, triggering a buffer over-read in the Toshiba file parser. This issue causes the application to crash, leading to a Denial of Service (DoS)."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}, "name": "CVE-2026-96420", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Under investigation", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Under investigation", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Under investigation", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Under investigation", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Under investigation", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-09-29T09:30:43Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-96420\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-96420\nhttps://gitlab.com/wireshark/wireshark/-/work_items/21541\nhttps://www.wireshark.org/security/wnpa-sec-2026-105.html"], "threat_severity": "Moderate"}

{}