{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-6868", "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "state": "PUBLISHED", "assignerShortName": "GitLab", "dateReserved": "2026-04-22T16:29:24.754Z", "datePublished": "2026-04-30T05:04:30.622Z", "dateUpdated": "2026-04-30T05:04:30.622Z"}, "containers": {"cna": {"title": "Stack-based Buffer Overflow in Wireshark", "descriptions": [{"lang": "en", "value": "HTTP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service"}], "affected": [{"vendor": "Wireshark Foundation", "product": "Wireshark", "versions": [{"version": "4.6.0", "status": "affected", "lessThan": "4.6.5", "versionType": "semver"}, {"version": "4.4.0", "status": "affected", "lessThan": "4.4.15", "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-2026-46.html"}, {"url": "https://gitlab.com/wireshark/wireshark/-/work_items/21185"}], "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 4.6.5 or above"}], "credits": [{"lang": "en", "value": "Sharon Brizinov", "type": "finder"}], "providerMetadata": {"orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "shortName": "GitLab", "dateUpdated": "2026-04-30T05:04:30.622Z"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "HTTP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service"}], "id": "CVE-2026-6868", "lastModified": "2026-04-30T06:16:16.783", "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": "2026-04-30T06:16:16.783", "references": [{"source": "cve@gitlab.com", "url": "https://gitlab.com/wireshark/wireshark/-/work_items/21185"}, {"source": "cve@gitlab.com", "url": "https://www.wireshark.org/security/wnpa-sec-2026-46.html"}], "sourceIdentifier": "cve@gitlab.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-121"}], "source": "cve@gitlab.com", "type": "Primary"}]}

{"bugzilla": {"description": "wireshark: Wireshark: Denial of Service via malicious network capture file", "id": "2464010", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2464010"}, "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-617", "details": ["A flaw was found in Wireshark. A local user could be tricked into opening a specially crafted network capture file. This file, containing malicious HTTP data, could cause Wireshark to crash, leading to a denial of service."], "name": "CVE-2026-6868", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Fix deferred", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-04-30T05:04:30Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-6868\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-6868\nhttps://gitlab.com/wireshark/wireshark/-/work_items/21185\nhttps://www.wireshark.org/security/wnpa-sec-2026-46.html"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.6.0,4.6.5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.4.0,4.4.15)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Wireshark", "source": "cna", "vendor": "Wireshark Foundation"}, "product": "wireshark", "vendor": "wireshark"}], "created": "2026-04-30T07:30:30.974211+00:00", "updated": "2026-04-30T07:30:30.974244+00:00", "vendors": ["wireshark", "wireshark$PRODUCT$wireshark"]}