{ "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": "2026-01-14T16:31:01.455Z" }, "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": "

Improper Validation of Array Index (CWE-129) in Packetbeat’s 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.

" } ], "value": "Improper Validation of Array Index (CWE-129) in Packetbeat’s 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" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-01-14T16:22:50.115810Z", "id": "CVE-2026-0529", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-14T16:31:01.455Z" } } ] } }