{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-0529", "assignerOrgId": "271b6943-45a9-4f3a-ab4e-976f3fa05b5a", "state": "PUBLISHED", "assignerShortName": "elastic", "dateReserved": "2025-12-19T15:43:38.402Z", "datePublished": "2026-01-14T10:09:02.462Z", "dateUpdated": "2026-01-14T10:09:02.462Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Packetbeat", "vendor": "Elastic", "versions": [{"lessThanOrEqual": "7.17.29", "status": "affected", "version": "7.0.0", "versionType": "semver"}, {"lessThanOrEqual": "8.19.9", "status": "affected", "version": "8.0.0", "versionType": "semver"}, {"lessThanOrEqual": "9.1.9", "status": "affected", "version": "9.0.0", "versionType": "semver"}, {"lessThanOrEqual": "9.2.3", "status": "affected", "version": "9.2.0", "versionType": "semver"}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Improper Validation of Array Index (CWE-129) in Packetbeat\u2019s MongoDB protocol parser can allow an attacker to cause Overflow Buffers (CAPEC-100) through specially crafted network traffic. This requires an attacker to send a malformed payload to a monitored network interface where MongoDB protocol parsing is enabled.</p>"}], "value": "Improper Validation of Array Index (CWE-129) in Packetbeat\u2019s MongoDB protocol parser can allow an attacker to cause Overflow Buffers (CAPEC-100) through specially crafted network traffic. This requires an attacker to send a malformed payload to a monitored network interface where MongoDB protocol parsing is enabled."}], "impacts": [{"capecId": "CAPEC-100", "descriptions": [{"lang": "en", "value": "CAPEC-100 Overflow Buffers"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseSeverity": "MEDIUM", "baseScore": 6.5, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-129", "description": "CWE-129 Improper Validation of Array Index", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "271b6943-45a9-4f3a-ab4e-976f3fa05b5a", "shortName": "elastic", "dateUpdated": "2026-01-14T10:09:02.462Z"}, "references": [{"url": "https://discuss.elastic.co/t/packetbeat-8-19-10-9-1-10-9-2-4-security-update-esa-2026-02/384520"}], "credits": [{"lang": "en", "value": "AISLE Research", "type": "reporter"}], "source": {"discovery": "Elastic"}, "title": "Improper Validation of Array Index in Packetbeat Leading to Overflow Buffers", "x_generator": {"engine": "Elastic CVE Publisher 0.0.1"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Validation of Array Index (CWE-129) in Packetbeat\u2019s MongoDB protocol parser can allow an attacker to cause Overflow Buffers (CAPEC-100) through specially crafted network traffic. This requires an attacker to send a malformed payload to a monitored network interface where MongoDB protocol parsing is enabled."}], "id": "CVE-2026-0529", "lastModified": "2026-01-14T10:16:08.813", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "security@elastic.co", "type": "Secondary"}]}, "published": "2026-01-14T10:16:08.813", "references": [{"source": "security@elastic.co", "url": "https://discuss.elastic.co/t/packetbeat-8-19-10-9-1-10-9-2-4-security-update-esa-2026-02/384520"}], "sourceIdentifier": "security@elastic.co", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-129"}], "source": "security@elastic.co", "type": "Secondary"}]}

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