{"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":"<p>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.</p>"}],"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"}}]}}