{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-95389", "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "state": "PUBLISHED", "assignerShortName": "GitLab", "dateReserved": "2026-09-22T05:34:11.674Z", "datePublished": "2026-09-29T09:33:38.020Z", "dateUpdated": "2026-09-29T15:17:14.877Z"}, "containers": {"cna": {"title": "Heap-based Buffer Overflow in Wireshark", "descriptions": [{"lang": "en", "value": "SCTP 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-122: Heap-based Buffer Overflow", "cweId": "CWE-122", "type": "CWE"}]}], "references": [{"url": "https://www.wireshark.org/security/wnpa-sec-2026-93.html"}, {"url": "https://gitlab.com/wireshark/wireshark/-/work_items/21481"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"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 4.6.9 or above"}], "credits": [{"lang": "en", "value": "Security research assessment of Wireshark internals (Feng Xue)", "type": "finder"}], "providerMetadata": {"orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "shortName": "GitLab", "dateUpdated": "2026-09-29T09:33:38.020Z"}}, "adp": [{"references": [{"url": "https://gitlab.com/wireshark/wireshark/-/work_items/21481", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-29T15:16:36.326142Z", "id": "CVE-2026-95389", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-29T15:17:14.877Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-95389", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-09-29T15:16:36.326142Z"}}}], "references": [{"url": "https://gitlab.com/wireshark/wireshark/-/work_items/21481", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-29T15:17:05.516Z"}}], "cna": {"title": "Heap-based Buffer Overflow in Wireshark", "credits": [{"lang": "en", "type": "finder", "value": "Security research assessment of Wireshark internals (Feng Xue)"}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"repo": "https://gitlab.com/wireshark/wireshark", "vendor": "Wireshark Foundation", "product": "Wireshark", "versions": [{"status": "affected", "version": "4.6.0", "lessThan": "4.6.9", "versionType": "semver"}, {"status": "affected", "version": "4.4.0", "lessThan": "4.4.19", "versionType": "semver"}], "defaultStatus": "unaffected"}], "solutions": [{"lang": "en", "value": "Upgrade to version 4.6.9 or above"}], "references": [{"url": "https://www.wireshark.org/security/wnpa-sec-2026-93.html"}, {"url": "https://gitlab.com/wireshark/wireshark/-/work_items/21481"}], "descriptions": [{"lang": "en", "value": "SCTP protocol dissector crash in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-122", "description": "CWE-122: Heap-based Buffer Overflow"}]}], "providerMetadata": {"orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "shortName": "GitLab", "dateUpdated": "2026-09-29T09:33:38.020Z"}}}, "cveMetadata": {"cveId": "CVE-2026-95389", "state": "PUBLISHED", "dateUpdated": "2026-09-29T15:17:14.877Z", "dateReserved": "2026-09-22T05:34:11.674Z", "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "datePublished": "2026-09-29T09:33:38.020Z", "assignerShortName": "GitLab"}, "dataVersion": "5.2"}

{"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"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*", "matchCriteriaId": "DAD22723-8869-4722-B384-904979CBDEDC", "versionEndExcluding": "4.4.19", "versionStartIncluding": "4.4.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*", "matchCriteriaId": "92DC0FDA-DA30-4D3F-B55A-4C3BEA0C7C4C", "versionEndExcluding": "4.6.9", "versionStartIncluding": "4.6.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "SCTP 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-2026-95389", "lastModified": "2026-10-08T01:33:39.200", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.9, "source": "cve@gitlab.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-95389", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-09-29T15:16:36.326142Z", "version": "2.0.3"}}]}, "published": "2026-09-29T10:17:15.010", "references": [{"source": "cve@gitlab.com", "tags": ["Exploit", "Vendor Advisory"], "url": "https://gitlab.com/wireshark/wireshark/-/work_items/21481"}, {"source": "cve@gitlab.com", "tags": ["Vendor Advisory"], "url": "https://www.wireshark.org/security/wnpa-sec-2026-93.html"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Vendor Advisory"], "url": "https://gitlab.com/wireshark/wireshark/-/work_items/21481"}], "sourceIdentifier": "cve@gitlab.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-122"}], "source": "cve@gitlab.com", "type": "Secondary"}]}

{"bugzilla": {"description": "wireshark: Heap-based Buffer Overflow in Wireshark", "id": "2543037", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2543037"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-122", "details": ["A flaw was found in the SCTP protocol dissector in Wireshark. This issue occurs when malformed packets are decoded from a pcap file or the network, causing a heap-based buffer overflow, resulting in a denial of service or potentially allowing code execution."], "mitigation": {"lang": "en:us", "value": "If the SCTP protocol dissector is not being used, it can be disabled via the \"Enabled Protocols\" dialog box in the Wireshark GUI application. This will also disable the protocol dissector when using \"tshark\", the command line tool.\nSee the links below for instructions to disable a protocol in Wireshark, specifically the \"Control Protocol Dissection\" section and the \"disabled_protos\" configuration file option.\nhttps://www.wireshark.org/docs/wsug_html_chunked/ChCustProtocolDissectionSection.html\nhttps://www.wireshark.org/docs/wsug_html_chunked/ChAppFilesConfigurationSection.html"}, "name": "CVE-2026-95389", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-09-29T09:33:38Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-95389\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-95389\nhttps://gitlab.com/wireshark/wireshark/-/work_items/21481\nhttps://www.wireshark.org/security/wnpa-sec-2026-93.html"], "statement": "This issue will cause a crash in Wireshark and potentially result in code execution. Also, this flaw can only be exploited when malformed packets from a pcap file or the network are processed. Due to these reasons, this vulnerability has been rated with an important severity.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.6.0,4.6.9)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.4.0,4.4.19)"}}], "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": "2026-09-29T16:00:15.022080+00:00", "updated": "2026-09-30T03:45:17.690852+00:00", "vendors": ["wireshark", "wireshark$PRODUCT$wireshark"]}