{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-96415", "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "state": "PUBLISHED", "assignerShortName": "GitLab", "dateReserved": "2026-09-23T05:41:20.870Z", "datePublished": "2026-09-29T09:30:28.050Z", "dateUpdated": "2026-09-29T09:30:28.050Z"}, "containers": {"cna": {"title": "Stack-based Buffer Overflow in Wireshark", "descriptions": [{"lang": "en", "value": "Catapult DCT2000 protocol dissector 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-121: Stack-based Buffer Overflow", "cweId": "CWE-121", "type": "CWE"}]}], "references": [{"url": "https://www.wireshark.org/security/wnpa-sec-2026-110.html"}, {"url": "https://gitlab.com/wireshark/wireshark/-/work_items/21589"}], "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 4.6.9 or above"}], "credits": [{"lang": "en", "value": "Claude and Ada Logics", "type": "finder"}], "providerMetadata": {"orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "shortName": "GitLab", "dateUpdated": "2026-09-29T09:30:28.050Z"}}}}

{}

{"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": "Catapult DCT2000 protocol dissector crash in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service"}], "id": "CVE-2026-96415", "lastModified": "2026-09-29T10:17:16.047", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "cve@gitlab.com", "type": "Secondary"}]}, "published": "2026-09-29T10:17:16.047", "references": [{"source": "cve@gitlab.com", "url": "https://gitlab.com/wireshark/wireshark/-/work_items/21589"}, {"source": "cve@gitlab.com", "url": "https://www.wireshark.org/security/wnpa-sec-2026-110.html"}], "sourceIdentifier": "cve@gitlab.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-121"}], "source": "cve@gitlab.com", "type": "Primary"}]}

{"bugzilla": {"description": "wireshark: Stack-based Buffer Overflow in Wireshark", "id": "2543031", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2543031"}, "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-787", "details": ["A flaw was found in Wireshark. The Catapult DCT2000 protocol dissector is susceptible to a crash that results in a Denial of Service (DoS). An attacker could exploit this flaw by injecting malformed network packets or by tricking a user into opening a specially crafted capture file, causing the application to terminate unexpectedly."], "mitigation": {"lang": "en:us", "value": "Avoid processing packet capture files obtained from untrusted sources and avoid live packet capturing on untrusted networks.\nAlternatively, disable the Catapult DCT2000 protocol dissector if it is not required:\n1. In the Wireshark GUI, open Analyze -> Enabled Protocols, search for \"Catapult DCT2000\" (or \"dct2000\"), uncheck the checkbox, and click OK.\n2. For command-line analysis using TShark, supply the command-line flag:\ntshark --disable-protocol dct2000\nCaveat: Disabling the dissector prevents Wireshark and TShark from decoding Catapult DCT2000 network traffic, rendering it as raw payload data."}, "name": "CVE-2026-96415", "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": "2026-09-29T09:30:28Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-96415\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-96415\nhttps://gitlab.com/wireshark/wireshark/-/work_items/21589\nhttps://www.wireshark.org/security/wnpa-sec-2026-110.html"], "threat_severity": "Moderate"}

{}